ClassID:

43273

B23K26/1464 - CPC Classification

Classification description:

Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor; Nozzles; Features related to nozzles Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire

Sub-classes:
Recent Application in this class:
#1
20260145274
2026-05-28

APPARATUS FOR COLLECTING DUST AND LASER PROCESSING UNIT WITH THE SAME

#2
20260138212
2026-05-21

NOZZLE UNIT FOR A LASER PROCESSING HEAD FOR LATERAL PROTECTIVE GAS SUPPLY AND LASER PROCESSING HEAD WITH THE SAME

#3
20260048451
2026-02-19

AIR-GUIDING DEVICE FOR SPATTER REDUCTION, SPATTER DEFLECTION AND IMPROVEMENT OF A WELD SEAM QUALITY IN LASER BEAM WELDING, AND WELDING DEVICE

#4
20260042168
2026-02-12

MATERIAL PROCESSING FUNCTIONALITY IN HANDHELD LASER SYSTEM

#5
20250353111
2025-11-20

JET NOZZLE HAVING A LIGHT CHANNEL WITH AN OBLONG CROSS-SECTIONAL AREA

#6
20250345881
2025-11-13

JIG FOR LASER WELDING AND METHOD OF MANUFACTURING BATTERY

#7
20250205813
2025-06-26

LASER MACHINING PROCESS USING A SCANNER OPTICAL SYSTEM

#8
20250187115
2025-06-12

METHODS OF ENHANCING SURFACE HARDNESS OF QUENCH-SENSITIVE AGE-HARDENING MATERIALS, ALLOYS PRODUCED THEREFROM, AND LASER CLADDING SYSTEMS THEREFOR

#9
20250100077
2025-03-27

WIRE OSCILLATION FOR DIRECTED ENERGY DEPOSITION

#10
20250083253
2025-03-13

APPARATUS FOR COATING A WORKPIECE USING A LASER DEVICE

#11
20250075333
2025-03-06

LASER SYSTEM FOR LASER CLADDING WITH A POWDER JET HAVING HARD-MATERIAL PARTICLES

#12
20250073815
2025-03-06

ANNULAR WATER CURTAIN COMBINED WATER-JET GUIDED LASER MACHINING DEVICE AND METHOD

#13
20240408704
2024-12-12

Welding method for high-strength welding wire based on nanoparticle implantation and trace element compensation

#14
20240391026
2024-11-28

Liquid Jet Laser Tool Utilizing An Off-Axis Laser Beam

#15
20240383073
2024-11-21

OSCILLATING LASER WELDING WITH FILLER WIRES FOR JOINTING ALUMINUM ALLOY SHEETS WITH A LARGE GAP THEREBETWEEN

#16
20240375218
2024-11-14

METHOD FOR DEPOSITING MOLTEN METAL FILAMENT USING A LASER BEAM SWEPT ACROSS THE SURFACE OF THE WORKPIECE

#17
20240307959
2024-09-19

APPARATUS AND METHOD FOR ANGULAR AND ROTATIONAL ADDITIVE MANUFACTURING

#18
20240300167
2024-09-12

Additive Manufacturing System for Object Creation from Powder Using a High Flux Laser for Two-Dimensional Printing

#19
20240286219
2024-08-29

LASER PROCESSING DEVICE AND LASER PROCESSING METHOD

#20
20240253160
2024-08-01

WELDING DEVICE, LIGHT-EMITTING ELEMENT WELDING METHOD, AND DISPLAY DEVICE

#21
20240247361
2024-07-25

NOVEL ADDITIVE NANOMANUFACTURING SYSTEM AND METHOD

#22
20240157435
2024-05-16

SOLIDIFICATION REFINEMENT AND GENERAL PHASE TRANSFORMATION CONTROL THROUGH APPLICATION OF IN SITU GAS JET IMPINGEMENT IN METAL ADDITIVE MANUFACTURING

#23
20240139872
2024-05-02

VACUUM LASER PROCESSING DEVICE

#24
20240109109
2024-04-04

Dust removal system for laser cleaning machine

#25
20240042521
2024-02-08

Method and Apparatus for Forming Cutting Blades

#26
20230356329
2023-11-09

Methods of enhancing surface hardness of quench-sensitive age-hardening materials, alloys produced therefrom, and laser cladding systems therefor

#27
20230339046
2023-10-26

APPARATUS FOR A LASER WELDING SYSTEM

#28
20230330771
2023-10-19

LENS ASSEMBLY AND LASER WELDING HEAD

#29
20230278137
2023-09-07

LASER PROCESSING DEVICE AND NOZZLE INSPECTION METHOD

#30
20230256543
2023-08-17

ADDITIVE MANUFACTURING SYSTEM WITH GAS FLOW HEAD

#31
20230241716
2023-08-03

CROSS-JET NOZZLE FOR LASER PROCESSING HEAD

#32
20230234168
2023-07-27

Method for Producing a Friction Brake Body

#33
20230146425
2023-05-11

MATERIAL DEPOSITION UNIT FOR POWDER BUILD-UP WELDING

#34
20230129572
2023-04-27

Additive manufacturing process

#35
20230123283
2023-04-20

MACHINING FLUID AND MACHINING DEVICE USING THE SAME

#36
20230115031
2023-04-13

INERT GAS-ASSISTED LASER MACHINING OF CERAMIC-CONTAINING ARTICLES

#37
20230006413
2023-01-05

Optical apparatus

#38
20220395928
2022-12-15

Laser welding system

#39
20220355414
2022-11-10

APPARATUS FOR A LASER WELDING SYSTEM

#40
20220347792
2022-11-03

LASER CUTTING HEAD WITH CONTROLLABLE COLLIMATOR HAVING MOVABLE LENSES FOR CONTROLLING BEAM DIAMETER AND/OR FOCAL POINT LOCATION

#41
20220331905
2022-10-20

ADDITIVE MANUFACTURING SYSTEM WITH GAS FLOW HEAD

#42
20220297237
2022-09-22

DEVICE FOR MANUFACTURING ELECTRODE

#43
20220281031
2022-09-08

WELDING GAS SHIELDING DEVICE, LASER FILLER WIRE WELDING SYSTEM AND WELDING METHOD

#44
20220226933
2022-07-21

Processing program creation device, method for determining scattering direction of molten metal, laser processing machine, and laser processing method

#45
20220203480
2022-06-30

Laser processing device

#46
20220193782
2022-06-23

MATERIAL DEPOSITION UNIT WITH MULTIPLE MATERIAL FOCAL ZONES, AND METHOD FOR BUILD-UP WELDING

#47
20220176491
2022-06-09

Manufacturing Method of Welded Pipe and Manufacturing Device of Welded Pipe

#48
20220143750
2022-05-12

NOZZLE FOR LASER MACHINING AND LASER MACHINING APPARATUS

#49
20220126387
2022-04-28

BRAZING METHOD AND BRAZING APPRATUS

#50
20210359491
2021-11-18

Optical apparatus

#51
20210323096
2021-10-21

Method and device for laser cutting a sheet metal blank from a continuously conveyed sheet metal strip

#52
20210308799
2021-10-07

Laser machining apparatus and laser machining method

#53
20210308796
2021-10-07

Additive manufacturing method, machining-path generation method, and additive manufacturing device

#54
20210291299
2021-09-23

Systems and methods for in process heating for direct energy deposition applications

#55
20210283723
2021-09-16

Laser etching apparatus and a method of laser etching using the same

#56
20210260701
2021-08-26

ADDITIVE MANUFACTURING WITH ROTATABLE DEPOSITION HEAD

#57
20210252622
2021-08-19

Additive manufacturing system and additive manufacturing method

#58
20210205928
2021-07-08

POWDER BED FUSION APPARATUS

#59
20210205927
2021-07-08

ENHANCED COATINGS AND STRUCTURES VIA LASER CLADDING WITH NANO-MODIFIED FEEDSTOCK

#60
20210187658
2021-06-24

Add-on module for interposing between a control device and a laser machining head of a laser machining system

#61
20210178485
2021-06-17

Method and apparatus for manufacturing a part using successive deposition of layers

#62
20210170528
2021-06-10

DETERMINING A PARAMETER OF A MELT POOL DURING ADDITIVE MANUFACTURING

#63
20210154920
2021-05-27

Heating system for fiber-reinforced thermoplastic feedstock and workpiece

#64
20210154919
2021-05-27

Heating system for fiber-reinforced thermoplastic feedstock and workpiece

#65
20210154771
2021-05-27

POWDER BED FUSION RE-COATERS WITH HEAT SOURCE FOR THERMAL MANAGEMENT

#66
20210138587
2021-05-13

THREE-DIMENSIONAL SHAPED ARTICLE PRODUCING POWDER, THREE-DIMENSIONAL SHAPED ARTICLE PRODUCING COMPOSITION, AND PRODUCTION METHOD FOR THREE-DIMENSIONAL SHAPED ARTICLE

#67
20210138584
2021-05-13

A METHOD OF JOINING AND SEALING A VANADIUM BASED MEMBRANE TO A METALLIC CONNECTION SECTION

#68
20210129266
2021-05-06

Dual gas pierce using coaxial and directional assist

#69
20210101229
2021-04-08

Laser metal deposition head

#70
20210078108
2021-03-18

Additive manufactured ferrous components

#71
20210078102
2021-03-18

COATING METHOD AND COATING STRUCTURE

#72
20210069831
2021-03-11

SYSTEM AND METHOD FOR MINIMIZING THE EFFECTS OF SENSOR ORIENTATION IN SMART OPTICAL MONITORING SYSTEMS

#73
20210060706
2021-03-04

LASER PROCESSING DEVICE

#74
20210060703
2021-03-04

DEVICE AND METHOD FOR FORMING CERAMIC-REINFORCED METAL MATRIX COMPOSITE BY FOLLOW-UP ULTRASONIC-ASSISTED DIRECT LASER DEPOSITION

#75
20210050579
2021-02-18

Hermetically sealed lithium ion cells and a method for their manufacture

#76
20210039345
2021-02-11

Cleaning device and method for cleaning vulcanization mold

#77
20210023641
2021-01-28

SYSTEMS AND METHODS PROVIDING HIGH SPEED LASER HOT WIRE SPRAY

#78
20200391405
2020-12-17

Additive nanomanufacturing system and method

#79
20200368848
2020-11-26

Multi-Nozzle Apparatus for Engineered Nano-scale Electrospray Depositions

#80
20200367395
2020-11-19

Chip removing device and chip removing method

#81
20200361026
2020-11-19

LASER PROCESSING MACHINE AND FOCUS ADJUSTMENT METHOD

#82
20200353565
2020-11-12

System for Aligning Laser System to a Carrier Plate

#83
20200346306
2020-11-05

Laser cutting and machining method for plated steel plate, laser cut-and-machined product, thermal cutting and machining method, thermal cut-and-machined product, surface-treated steel plate, laser cutting method, and laser machining head

#84
20200325754
2020-10-15

High power laser flow assurance systems, tools and methods

#85
20200316717
2020-10-08

THREE-DIMENSIONAL PRINTING SYSTEM OPTIMIZING SEAMS BETWEEN ZONES FOR MULTIPLE ENERGY BEAMS

#86
20200306892
2020-10-01

Laser cutting method for plated steel sheet, laser processing head and laser processing device

#87
20200306886
2020-10-01

Powder material mass flow rate measuring apparatus for additive manufacturing

#88
20200298337
2020-09-24

Laser machine for cutting workpiece

#89
20200276671
2020-09-03

Laser machining apparatus

#90
20200269354
2020-08-27

METHOD FOR MANUFACTURING A WELDING WIRE

#91
20200269353
2020-08-27

Additive manufacturing systems and methods including rotating build platform

#92
20200254566
2020-08-13

Apparatus and method for angular and rotational additive manufacturing

#93
20200254563
2020-08-13

LASER CUTTING HEAD WITH CONTROLLABLE COLLIMATOR HAVING MOVABLE LENSES FOR CONTROLLING BEAM DIAMETER AND/OR FOCAL POINT LOCATION

#94
20200246918
2020-08-06

Foil deposition onto an additive manufactured substrate

#95
20200246913
2020-08-06

Apparatus for a laser welding system

#96
20200238440
2020-07-30

Apparatus for Machining a Workpiece with a Liquid Jet Guided Laser Beam and the Assembly Thereof

#97
20200230747
2020-07-23

Inert gas-assisted laser machining of ceramic-containing articles

#98
20200230744
2020-07-23

Method for producing blades from Ni-based alloys and blades produced therefrom

#99
20200223011
2020-07-16

Installation for the Powder-Bed-Based Additive Manufacturing of a Workpiece, Comprising Multiple Metering Devices for Different Types of Powder

#100
20200198059
2020-06-25

Apparatus for multi-nozzle metal additive manufacturing

#101
20200198056
2020-06-25

Laser welding method and laser welding device

#102
20200189038
2020-06-18

Additive manufacturing system for object creation from powder using a high flux laser for two-dimensional printing

#103
20200189037
2020-06-18

Combined apparatus for layer-by-layer interactive additive manufacturing with laser thermal/mechanical effects

#104
20200180070
2020-06-11

Multifunctional laser processing apparatus

#105
20200164467
2020-05-28

Powder feed system and method for 3D printing by powder spraying

#106
20200164466
2020-05-28

Additive manufacturing apparatus and system with vacuum assembly, and method of using the same

#107
20200156186
2020-05-21

Method and apparatus for forming cutting blades

#108
20200147726
2020-05-14

Micro-region semi-solid additive manufacturing method

#109
20200147725
2020-05-14

Methods for detecting errors in an additive manufacturing process

#110
20200108464
2020-04-09

SHAPING SYSTEM AND SHAPING METHOD

#111
20200101564
2020-04-02

Processing method and processing system

#112
20200101536
2020-04-02

3D PRINTING METHOD AND APPARATUS

#113
20200094342
2020-03-26

Welding apparatus and nozzle device

#114
20200055145
2020-02-20

Laser peening processing device and laser peening processing method

#115
20200047287
2020-02-13

Methods and apparatus for laser deposition

#116
20200047286
2020-02-13

System and method for powder bed fusion additive manufacturing with dynamic roller rotational speed adjustment

#117
20200039000
2020-02-06

Additive manufacturing system with gas flow head

#118
20200030915
2020-01-30

Metal additive manufacturing welding condition control device and method

#119
20200023468
2020-01-23

Laser hot wire additive deposition head with omni-directional build path

#120
20200016694
2020-01-16

LASER WELDING WITH FILLER WIRE

#121
20190383120
2019-12-19

HIGH POWER LASER FLOW ASSURANCE SYSTEMS, TOOLS AND METHODS

#122
20190381603
2019-12-19

HYBRID ADDITIVE MANUFACTURING METHODS

#123
20190375049
2019-12-12

METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT

#124
20190366480
2019-12-05

ADDITIVE MANUFACTURING WITH METAL WIRE

#125
20190351512
2019-11-21

Machining condition adjustment apparatus and machine learning device

#126
20190344387
2019-11-14

ADDITIVE MANUFACTURING APPARATUS AND ADDITIVE MANUFACTURING METHOD

#127
20190323111
2019-10-24

Apparatus and method for direct writing of single crystal super alloys and metals

#128
20190314930
2019-10-17

METHOD FOR ADDITIVELY MANUFACTURING AT LEAST ONE THREE-DIMENSIONAL OBJECT

#129
20190299291
2019-10-03

Method and device for producing a three-dimensional object

#130
20190283184
2019-09-19

LASER SHOCK FORGING AND LASER CUTTING COMPOSITE ADDITIVE MANUFACTURING DEVICE AND METHOD

#131
20190283182
2019-09-19

FREE FORM DEPOSITION

#132
20190240786
2019-08-08

METHODS FOR CUTTING A WORKPIECE USING A LASER BEAM

#133
20190240783
2019-08-08

METHOD OF MANUFACTURING A COMPONENT

#134
20190224780
2019-07-25

Methods and systems to keep a work piece surface free from liquid accumulation while performing liquid-jet guided laser based material processing

#135
20190210153
2019-07-11

APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING AND METHOD OF USING THE APPARATUS

#136
20190210102
2019-07-11

HIGH PRESSURE ALLOY CASTING PROCESS AND APPARATUS

#137
20190184494
2019-06-20

Systems and methods for global thermal control of additive manufacturing

#138
20190178036
2019-06-13

DOWNHOLE LASER SYSTEMS, APPARATUS AND METHODS OF USE

#139
20190176273
2019-06-13

Method of forming a component

#140
20190176270
2019-06-13

Laser cutting and machining method for plated steel plate, laser cut-and-machined product, thermal cutting and machining method, thermal cut-and-machined product, surface-treated steel plate, laser cutting method, and laser machining head

#141
20190176263
2019-06-13

Device for protecting laser optics

#142
20190168342
2019-06-06

Laser welding device and laser welding method using welding wire

#143
20190160592
2019-05-30

Laser processing device with tubular filter

#144
20190151990
2019-05-23

Manufacturing machine

#145
20190134750
2019-05-09

Laser melting of build materials

#146
20190134749
2019-05-09

Building platform for additive manufacturing, and method

#147
20190131173
2019-05-02

Laser processing apparatus

#148
20190118301
2019-04-25

Build material application device for an apparatus for additively manufacturing three-dimensional components

#149
20190118297
2019-04-25

Multibeam fiber laser system

#150
20190054569
2019-02-21

METHOD FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS

#151
20190054535
2019-02-21

POROUS STRUCTURES

#152
20190047088
2019-02-14

Laser metal deposition head

#153
20190047085
2019-02-14

Apparatus for laser materials processing

#154
20190009366
2019-01-10

Integrated feeder nozzle

#155
20190001437
2019-01-03

Solidification refinement and general phase transformation control through application of in situ gas jet impingement in metal additive manufacturing

#156
20180354078
2018-12-13

REINFORCING STRUCTURAL COMPONENTS

#157
20180354075
2018-12-13

Coaxial laser hotwire head

#158
20180345411
2018-12-06

Apparatus with a module for the layered manufacture of a product

#159
20180345410
2018-12-06

DEVICE AND METHOD FOR PRODUCING A THREE-DIMENSIONAL, SHAPED METAL BODY

#160
20180326485
2018-11-15

Module for additive manufacturing apparatus and method

#161
20180318959
2018-11-08

Methods and apparatus to perform a liquid-jet guided laser process and to simplify the maintenance thereof

#162
20180318929
2018-11-08

Smart additive manufacturing device

#163
20180290381
2018-10-11

Method and device for the additive manufacturing of components

#164
20180239331
2018-08-23

System and method for object distance detection and positioning

#165
20180214985
2018-08-02

Multi-operation laser tooling for deposition and material processing operations

#166
20180200833
2018-07-19

Laser machine

#167
20180154483
2018-06-07

MULTI-WIRE FEEDER METHOD AND SYSTEM FOR ALLOY SAMPLE FORMATION AND ADDITIVE MANUFACTURING

#168
20180147666
2018-05-31

OPTICAL PROCESSING HEAD AND OPTICAL PROCESSING APPARATUS

#169
20180111225
2018-04-26

Dual gas pierce using coaxial and directional assist

#170
20180104770
2018-04-19

Apparatus for laser materials processing

#171
20180065208
2018-03-08

Manufacturing machine

#172
20180050426
2018-02-22

Induction weld bead shaping

#173
20180043457
2018-02-15

Device for providing a laminar flow of shielding gas in a welding device

#174
20180036837
2018-02-08

WELDING DEVICE, WELDING METHOD, AND TURBINE BLADE

#175
20170320166
2017-11-09

Laser processing head with two nozzles and systems and methods therefor

#176
20170304951
2017-10-26

Laser etching apparatus and a method of laser etching using the same

#177
20170274475
2017-09-28

Nozzle and additive manufacturing apparatus

#178
20170252876
2017-09-07

METHOD AND APPARATUS FOR LEVITATION ADDITIVE WELDING OF SUPERALLOY COMPONENTS

#179
20170252858
2017-09-07

High power laser offshore decommissioning tool, system and methods of use

#180
20170186143
2017-06-29

Optical Processing head, optical processing apparatus, and control method and control program of optical processing apparatus

#181
20170182556
2017-06-29

ADDITIVE MANUFACTURING WITH LASER AND GAS FLOW

#182
20170051386
2017-02-23

Apparatus and method for direct writing of single crystal super alloys and metals

#183
20170036302
2017-02-09

Welded structure, laser welding method, and laser welding device

#184
20160368091
2016-12-22

Laser machining head

#185
20160368090
2016-12-22

Methods for making functional slots

#186
20160288260
2016-10-06

Laser welding head

#187
20160279706
2016-09-29

Method and device for producing a three-dimensional object

#188
20160251940
2016-09-01

High power laser flow assurance systems, tools and methods

#189
20160221286
2016-08-04

Methods for manufacturing a tire mold and displacing the air from the mold into a compression cavity during the tire making process

#190
20160186497
2016-06-30

Electric motor for laser-mechanical drilling

#191
20160184928
2016-06-30

Laser welding head and process

#192
20160136758
2016-05-19

Cladding method for valve seat and production method for cylinder head

#193
20160107232
2016-04-21

Three dimensional printer

#194
20160101484
2016-04-14

POWDER CLADDING NOZZLE

#195
20150368744
2015-12-24

Method and apparatus for injecting water restraint layer of laser shock processing blade

#196
20150328718
2015-11-19

Powder supply method in cladding

#197
20150321290
2015-11-12

Laser systems and apparatus for the removal of structures

#198
20150314394
2015-11-05

Laser processing system having function of preparing to restart processing

#199
20150298259
2015-10-22

Method for manufacturing a part by melting powder, the powder particles reaching the bath in a cold state

#200
20150290742
2015-10-15

Laser nozzle having an external mobile element

#201
20150273628
2015-10-01

Laser nozzle having an external mobile element made of electrically insulating material and an insert made of electrically conductive material

#202
20150273387
2015-10-01

ASSIST GAS GENERATION APPARATUS FOR LASER PROCESSING MACHINE

#203
20150196975
2015-07-16

Powder overlay nozzle

#204
20150165559
2015-06-18

Methods and apparatus to perform a liquid-jet guided laser process and to simplify the maintenance thereof

#205
20150165554
2015-06-18

Multi-wire feeder method and system for alloy sample formation and additive manufacturing

#206
20150165553
2015-06-18

Methods and systems to keep a work piece surface free from liquid accumulation while performing liquid-jet guided laser based material processing

#207
20150151381
2015-06-04

Controller of laser machining device and controlling method for reducing approach time

#208
20150151378
2015-06-04

WELDING METHOD, WELDING NOZZLE AND WELDING DEVICE

#209
20150060422
2015-03-05

Apparatus for laser materials processing

#210
20140231085
2014-08-21

Laser systems and methods for the removal of structures

#211
20130256281
2013-10-03

SOLDER-JET NOZZLE, LASER-SOLDERING TOOL, AND METHOD, FOR LASERSOLDERING HEAD-CONNECTION PADS OF A HEAD-STACK ASSEMBLY FOR A HARD-DISK DRIVE

#212
20130233836
2013-09-12

Method and apparatus for laser welding with mixed gas plasma suppression

#213
20130220983
2013-08-29

Device and method for joining workpieces by means of a laser beam and movable pressing element

#214
20130193119
2013-08-01

Laser machining head

#215
20130087547
2013-04-11

Particle control in laser processing systems

#216
20120267168
2012-10-25

Electric motor for laser-mechanical drilling

#217
20120261393
2012-10-18

Modular system for surface welding inner surfaces of workpieces, comprising a laser beam and multiple modules

#218
20120074110
2012-03-29

FLUID LASER JETS, CUTTING HEADS, TOOLS AND METHODS OF USE

#219
20110089956
2011-04-21

Fast response capacitive gauging system featuring steep slope filter discrimination circuit

#220
20110024402
2011-02-03

Laser welding apparatus

#221
20100219166
2010-09-02

HOLE-FORMING MACHINE

#222
20100078415
2010-04-01

Method and apparatus for material processing

#223
20090266803
2009-10-29

Process chamber and method for processing a material by a directed beam of electromagnetic radiation, in particular for a laser sintering device

#224
20090194517
2009-08-06

Laser cutting device

#225
20090194514
2009-08-06

Laser cutting device with high precision

#226
20080240178
2008-10-02

METHOD AND APPARATUS FOR MATERIAL PROCESSING

#227
20080237207
2008-10-02

Nozzle for a laser machining device

#228
20070189347
2007-08-16

Method and apparatus for material processing

#229
20070151957
2007-07-05

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