ClassID:

162236

F28F19/00 - CPC Classification

Classification description:

Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers

Sub-classes:
Recent Application in this class:
#1
20250305780
2025-10-02

SYSTEM AND METHOD FOR PREVENTING SEDIMENT FORMATION IN TANK DURING HEAT EXTRACTION FROM WASTEWATER

#2
20250224188
2025-07-10

COMPONENT UNIT OF AIR CONDITIONING APPARATUS

#3
20250216157
2025-07-03

HEAT EXCHANGER

#4
20250130000
2025-04-24

Liquid cooling system automated additive control

#5
20250052528
2025-02-13

HEAT EXCHANGER AND BYPASS VALVE USED IN HEAT EXCHANGER

#6
20240230251
2024-07-11

INTEGRATED CONNECTOR AND HEAT EXCHANGER INCLUDING THE SAME

#7
20240183629
2024-06-06

Method and Device for Ascertaining Fouling in a Heat Exchanger

#8
20240181510
2024-06-06

ANTI-FOULING SYSTEM, DESIGNED TO BE USED WITH A WET COMPARTMENT

#9
20240133642
2024-04-25

Integrated connector and heat exchanger including the same

#10
20230417496
2023-12-28

SHELL AND TUBE ISOLATION IN HEAT EXCHANGER

#11
20230340908
2023-10-26

HEAT EXCHANGERS

#12
20230339053
2023-10-26

VAPOR CHAMBER WITH SUPPORT STRUCTURE

#13
20230250759
2023-08-10

HEAT EXCHANGERS

#14
20230250758
2023-08-10

Heat exchangers

#15
20230235898
2023-07-27

Automated evaporative system flush

#16
20230194194
2023-06-22

Ecological system for cooling towers algae control

#17
20230119268
2023-04-20

Method and apparatus for real-time direct surface fouling and scale monitoring of heat transfer surfaces

#18
20230115699
2023-04-13

Heat exchanger assembly with unitary body and manifold and methods of formng same

#19
20230072688
2023-03-09

Heat exchanger core

#20
20220357032
2022-11-10

A METHOD AND AN ARRANGEMENT FOR MEASURING MASS CHANGES OF HEAT EXCHANGERS OF A STEAM BOILER

#21
20220297887
2022-09-22

ARTICLES AND METHODS PROVIDING LIQUID-IMPREGNATED SCALE-PHOBIC SURFACES

#22
20220260327
2022-08-18

Heat exchanger member, heat exchanger, air conditioner, and refrigerator

#23
20220178629
2022-06-09

SYSTEM AND METHOD OF EVAPORATIVE COOLING WATER MANAGEMENT

#24
20220090821
2022-03-24

APPARATUS FOR RAPID HEATING OF LIQUIDS

#25
20220083716
2022-03-17

SYSTEM AND METHOD FOR IDENTIFICATION AND FORECASTING FOULING OF HEAT EXCHANGERS IN A REFINERY

#26
20220011062
2022-01-13

System and method for heat exchanger control based on real-time corrosion monitoring

#27
20210293411
2021-09-23

Corrosion resistant air preheater with lined tubes

#28
20210262390
2021-08-26

Heat exchangers

#29
20210247153
2021-08-12

Vapor chamber with support structure and manufacturing method therefor

#30
20210148658
2021-05-20

Cooling apparatus for cooling a fluid by means of surface water

#31
20210140727
2021-05-13

Highly corrosion-resistant copper tube

#32
20210123685
2021-04-29

Liquid-cooling heat dissipation system capable of regulating water quality

#33
20210094892
2021-04-01

Oxidative coupling of methane for olefin production

#34
20210071564
2021-03-11

Heat exchanger arrangement, screen, and method for protecting a heat exchanger arrangement

#35
20210065356
2021-03-04

APPARATUS AND METHOD FOR HEAT EXCHANGER INSPECTION

#36
20210041180
2021-02-11

Thermosiphon heat exchanger

#37
20200386441
2020-12-10

HEAT EXCHANGER

#38
20200386421
2020-12-10

Liquid desiccant air conditioning systems and methods

#39
20200377801
2020-12-03

Tube for a steam cracking furnace having a segment with an elliptical or lobed cross section

#40
20200370845
2020-11-26

COOLING SYSTEM FOR ELECTRONIC DEVICE

#41
20200363143
2020-11-19

CORROSION RESISTANT HEAT EXCHANGER

#42
20200284524
2020-09-10

Heat-exchange apparatus

#43
20200189994
2020-06-18

Oxidative coupling of methane for olefin production

#44
20200188969
2020-06-18

Cooling apparatus for cooling a fluid by means of surface water

#45
20200173740
2020-06-04

HIGHLY CORROSION-RESISTANT HEAT EXCHANGER SYSTEM USING CONTROL OF ALLOY COMPOSITION AND ALLOY POTENTIAL

#46
20200173739
2020-06-04

Vapor condensation method

#47
20200140048
2020-05-07

DEVICE HAVING SURFACES AND AN ANTI-BIOFOULING SYSTEM COMPRISING AT LEAST ONE ANTI-BIOFOULING LIGHT SOURCE FOR EMITTING RAYS OF ANTI-BIOFOULING LIGHT

#48
20200132399
2020-04-30

Heat exchanger header with stiffening element

#49
20200025451
2020-01-23

Dual Cooling Tower Time Share Water Treatment System

#50
20200003506
2020-01-02

Compositions containing nano-bubbles in a liquid carrier

#51
20190368833
2019-12-05

CORROSION PROTECTION FOR AIR-COOLED CONDENSERS

#52
20190368649
2019-12-05

Composite tube with a sacrificial layer for very thin wall heat exchangers

#53
20190285364
2019-09-19

Plate fin heat exchanger flexible manifold structure

#54
20190285354
2019-09-19

Loop heat pipe

#55
20190284998
2019-09-19

Heat exchangers

#56
20190277568
2019-09-12

COOLING APPARATUS FOR COOLING A FLUID BY MEANS OF SURFACE WATER

#57
20190264993
2019-08-29

Heat exchanger assembly with a manifold additively manufactured onto a core and method of forming

#58
20190249938
2019-08-15

VAPOR CHAMBER WITH SUPPORT STRUCTURE AND MANUFACTURING METHOD THEREFOR

#59
20190249886
2019-08-15

Desiccant air conditioning methods and systems using evaporative chiller

#60
20190249309
2019-08-15

Method for producing piping and method for forming oxide film on inner surface of copper pipe

#61
20190242655
2019-08-08

FLAT HEAT PIPE WITH COMPOSITE WICK MATERIAL

#62
20190212080
2019-07-11

Heat sink phase change material

#63
20190195566
2019-06-27

Heat Exchanger Structure

#64
20190186836
2019-06-20

CONDITIONING APPARATUS AND METHOD FOR CONDITIONING A GASEOUS MEDIUM, AND INSTALLATION AND METHOD FOR TREATING WORKPIECES

#65
20190162492
2019-05-30

ALUMINUM ALLOY FIN MATERIAL, ALUMINUM ALLOY BRAZING SHEET, AND HEAT EXCHANGER

#66
20190162476
2019-05-30

Heat exchanger arrangement

#67
20190137118
2019-05-09

Outdoor unit for an air-conditioning apparatus having L-shaped heat exchanger and placement plate for same

#68
20190127308
2019-05-02

Production method for (meth)acrylic acid or ester thereof

#69
20190101342
2019-04-04

Detecting and correcting thermal stresses in heat exchangers in a petrochemical plant or refinery

#70
20190101336
2019-04-04

Heat exchangers in a petrochemical plant or refinery

#71
20190100353
2019-04-04

ARTICLES AND METHODS PROVIDING LIQUID-IMPREGNATED SCALE-PHOBIC SURFACES

#72
20190096555
2019-03-28

Controlled liquid/solid mobility using external fields on lubricant-impregnated surfaces

#73
20190086165
2019-03-21

Cooling apparatus for cooling a fluid by means of surface water

#74
20190078848
2019-03-14

Heat exchanger

#75
20190024923
2019-01-24

Air conditioner in which a flammable refrigerant flows

#76
20190016426
2019-01-17

Device having surfaces and an anti-biofouling system comprising at least one anti-biofouling light source for emitting rays of anti-biofouling light

#77
20190011201
2019-01-10

HIGHLY CORROSION-RESISTANT COPPER TUBE

#78
20180371888
2018-12-27

Subsea processing of well fluids

#79
20180363994
2018-12-20

COOLING SYSTEM FOR ELECTRONIC DEVICE

#80
20180363993
2018-12-20

COOLING SYSTEM FOR ELECTRONIC DEVICE

#81
20180354822
2018-12-13

Systems and methods for controlling evaporative fluid loss

#82
20180328676
2018-11-15

Heat exchanger

#83
20180327334
2018-11-15

Oxidative coupling of methane for olefin production

#84
20180313616
2018-11-01

Highly resistant copper tube against ant nest corrosion

#85
20180306518
2018-10-25

Heat exchanger arrangement for a carbon black production plant

#86
20180304321
2018-10-25

ANTI-FOULING SYSTEM, CONTROLLER AND METHOD OF CONTROLLING THE ANTI-FOULING SYSTEM

#87
20180292147
2018-10-11

Heat exchanger for a motor vehicle

#88
20180283815
2018-10-04

Detecting and correcting maldistribution in heat exchangers in a petrochemical plant or refinery

#89
20180283810
2018-10-04

Heat exchanger

#90
20180283809
2018-10-04

Method and Device for Direct-Contact Heat Exchange between a Fouling Liquid and a Cooling Fluid

#91
20180280917
2018-10-04

Air-cooled heat exchangers

#92
20180266769
2018-09-20

Heat exchanger and method of manufacturing same

#93
20180252485
2018-09-06

FIN MATERIAL MADE OF ALUMINUM ALLOY FOR HEAT EXCHANGER

#94
20180251878
2018-09-06

HIGH-STRENGTH, CORROSION RESISTANT ALUMINUM ALLOYS FOR USE AS FIN STOCK AND METHODS OF MAKING THE SAME

#95
20180236552
2018-08-23

Method of manufacturing a heat exchanger

#96
20180231336
2018-08-16

Method for negating deposits using turbulence

#97
20180209827
2018-07-26

Sensor assembly

#98
20180208877
2018-07-26

Cleaning compositions and methods for cleaning engine cooling systems

#99
20180195008
2018-07-12

Minimizing coke formation in a hydrocarbon cracker system

#100
20180194659
2018-07-12

Recovery method for discharged cooling water

#101
20180179945
2018-06-28

Assembly comprising a wet compartment and at least one anti-fouling energy source

#102
20180164051
2018-06-14

FLUID CIRCULATION DEVICE

#103
20180156543
2018-06-07

Heat exchanger comprising one or more plate assemblies with a plurality of interconnected channels and related method

#104
20180149089
2018-05-31

Method for reducing thermally induced stresses in a heat exchanger

#105
20180128554
2018-05-10

Heat pipe, heat dissipating component, and method for manufacturing heat pipe

#106
20180120031
2018-05-03

Assembly comprising an object having a surface which is intended to be exposed to water and an anti-fouling protector arrangement

#107
20180100707
2018-04-12

Reduction of scale build-up in an evaporative cooling apparatus

#108
20180094880
2018-04-05

Integrated pressure compensating heat exchanger and method

#109
20180073809
2018-03-15

Heat exchanger

#110
20180066900
2018-03-08

Heat storage system

#111
20180056284
2018-03-01

Ion exchanger

#112
20180003532
2018-01-04

Airflow sensor assembly for monitored heat exchanger system

#113
20170350653
2017-12-07

Cooling apparatus for cooling a fluid by means of surface water

#114
20170343305
2017-11-30

Cooling apparatus for cooling a fluid by means of surface water

#115
20170343287
2017-11-30

Cooling apparatus for cooling a fluid by means of surface water

#116
20170342536
2017-11-30

High strength and corrosion resistant alloy for use in HVAC and R systems

#117
20170341112
2017-11-30

COOLING APPARATUS FOR COOLING A FLUID BY MEANS OF SURFACE WATER

#118
20170307310
2017-10-26

Coolant and a method to control the pH and resistivity of coolant used in a heat exchanger

#119
20170299288
2017-10-19

HEAT EXCHANGER, ESPECIALLY FOR MOTOR VEHICLE, AND METHOD FOR PRODUCING SUCH A HEAT EXCHANGER

#120
20170299285
2017-10-19

Heat-exchanging and mixing device and solution transport and cooling unit

#121
20170292801
2017-10-12

Monitored heat exchanger system

#122
20170292800
2017-10-12

Monitored heat exchanger system

#123
20170259219
2017-09-14

Compositions containing nano-bubbles in a liquid carrier

#124
20170241685
2017-08-24

EVAPORATOR

#125
20170219291
2017-08-03

Heat exchanger with improved plugging resistance

#126
20170217813
2017-08-03

Oxygen heat exchanger

#127
20170184349
2017-06-29

Heat exchanger and hot water apparatus

#128
20170138673
2017-05-18

Planar Heat Pipe

#129
20170138632
2017-05-18

Apparatus for rapid heating of liquids

#130
20170097199
2017-04-06

Cooling device having function to detect clogging of radiation fins

#131
20170089649
2017-03-30

HEAT TRANSFER TUBE CONSTRUCTED OF TIN BRASS ALLOY

#132
20170067700
2017-03-09

Plate-type heat exchanger and method for producing same

#133
20170031396
2017-02-02

Active cooling debris bypass fin pack

#134
20170030664
2017-02-02

HOT WATER SUPPLY DEVICE

#135
20170003089
2017-01-05

HEAT EXCHANGER AND AIR CONDITIONER INCLUDING THE SAME

#136
20160377354
2016-12-29

Modification to Generic Configuration of RTO Corrugated Ceramic Heat Recovery Media

#137
20160377352
2016-12-29

Passive two-phase cooling circuit

#138
20160363114
2016-12-15

THERMAL GRADIENT HYDROELECTRIC POWER SYSTEM AND METHOD

#139
20160348988
2016-12-01

Corrosion resistant coaxial heat exchanger assembly

#140
20160341485
2016-11-24

Plate heat exchanger system

#141
20160334156
2016-11-17

Vending machine

#142
20160327342
2016-11-10

MICROCHANNEL HEAT EXCHANGER WITH IMPROVEMENT OF DIRT-RESISTING AND ANTI-BLOCKING

#143
20160318783
2016-11-03

Phosphorus-free corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method

#144
20160313076
2016-10-27

AIR PREHEATER AND METHOD FOR PREVENTING CORROSION AND BLOCKAGE OF THE SAME

#145
20160311695
2016-10-27

METHOD FOR REGULATING THE CONCENTRATION OF A TREATMENT CHEMICAL INSIDE A LIQUID BEARING SYSTEM

#146
20160290665
2016-10-06

Desiccant air conditioning methods and systems using evaporative chiller

#147
20160288232
2016-10-06

SHELL AND TUBE HEAT EXCHANGER

#148
20160265488
2016-09-15

GAS HEAT EXCHANGER, IN PARTICULAR FOR THE EXHAUST GASES OF AN ENGINE

#149
20160263703
2016-09-15

Laser Welded Foil-fin Heat-Exchanger

#150
20160258073
2016-09-08

Pot heat exchanger

#151
20160237528
2016-08-18

Perforation resistance improved aluminum alloy for heat exchanger, perforation resistance improved aluminum extrusion tube and fin material comprising aluminum alloy, and heat exchanger formed of extrusion tube and fin material

#152
20160237527
2016-08-18

ALUMINUM ALLOY COMPOSITION, ALUMINUM EXTRUSION TUBE AND FIN MATERIAL WITH IMPROVED CORROSION DURABILITY COMPRISING SAME, AND HEAT EXCHANGER CONSTRUCTED OF SAME

#153
20160202004
2016-07-14

Heat exchange element profile with enhanced cleanability features

#154
20160202002
2016-07-14

INDIRECT FIRED HEAT EXCHANGER

#155
20160195346
2016-07-07

HIGH STRENGTH ALUMINUM ALLOY FIN STOCK FOR HEAT EXCHANGER

#156
20160187015
2016-06-30

Droplet evaporation based self-cleaning humidification device

#157
20160187010
2016-06-30

Methods and systems for desiccant air conditioning

#158
20160187009
2016-06-30

Methods and systems for desiccant air conditioning

#159
20160167009
2016-06-16

Alumina forming refinery process tubes with mixing element

#160
20160123643
2016-05-05

Filter less A/C system

#161
20160116233
2016-04-28

Nonmetal corrosion-resistant heat exchange device and plate-type heat exchanger having same

#162
20160061533
2016-03-03

HEAT STORAGE SYSTEM

#163
20150345275
2015-12-03

Subsea processing of well fluids

#164
20150344683
2015-12-03

Reducing fouling in heat exchangers

#165
20150284481
2015-10-08

Recycle gas cooler systems for gas-phase polymerization processes

#166
20150284262
2015-10-08

System for processing brines

#167
20150279488
2015-10-01

Method and apparatus for inspection of cooling towers

#168
20150252461
2015-09-10

High-strength aluminum alloy fin material and production method thereof

#169
20150211813
2015-07-30

Heat exchanger with baffle assembly

#170
20150192372
2015-07-09

Tubular heat exchanger

#171
20150184876
2015-07-02

Methods and systems for desiccant air conditioning

#172
20150175915
2015-06-25

Tubular radiant syngas cooler

#173
20150144310
2015-05-28

Freeze damage resistant window perimeter radiator

#174
20150121935
2015-05-07

Heat exchanger

#175
20150121867
2015-05-07

Scale suppression apparatus, geothermal power generation system using the same, and scale suppression method

#176
20150118398
2015-04-30

Preventing equipment fouling via corrosion reduction

#177
20150114600
2015-04-30

Heat-exchange apparatus

#178
20150109734
2015-04-23

Surface modification of hoses to reduce depletion of corrosion inhibitor

#179
20150107809
2015-04-23

Heat transfer cell for heat exchanger and assembly, and methods of fabricating the same

#180
20150101334
2015-04-16

Heat exchangers

#181
20150090430
2015-04-02

Heat exchanger tube, heat exchanger tube bundle, heat exchanger comprising such a bundle and method for producing a plate of a heat exchanger tube

#182
20150068709
2015-03-12

Air conditioning apparatus

#183
20150033710
2015-02-05

Exhaust gas cooler

#184
20150007605
2015-01-08

Outdoor unit of refrigeration apparatus

#185
20140374067
2014-12-25

Reduction of scale build-up in an evaporative cooling apparatus

#186
20140352931
2014-12-04

Corrosion resistant air preheater with lined tubes

#187
20140314947
2014-10-23

Methods for promoting nucleate boiling

#188
20140298823
2014-10-09

Contamination free reverse flow fitting

#189
20140225025
2014-08-14

Heat transfer system additive package

#190
20140198448
2014-07-17

Active cooling debris bypass fin pack

#191
20140182790
2014-07-03

Method for fabricating super-hydrophobic surface and evaporator having the super-hydrophobic surface

#192
20140144607
2014-05-29

Water heater and flow rate control method

#193
20140083949
2014-03-27

Scale inhibition method and geothermal power generating device

#194
20130312854
2013-11-28

Fluid connector for a cooling system

#195
20130269630
2013-10-17

Steam generator film cooling using produced water

#196
20130213494
2013-08-22

Pot heat exchanger

#197
20130213076
2013-08-22

Evaporative cooler including one or more rotating cooler louvers

#198
20130174913
2013-07-11

METHOD AND APPARATUS FOR CONTROLLING TOTAL DISSOLVED SOLIDS IN A LIQUID CIRCULATION SYSTEM

#199
20130149657
2013-06-13

Reducing fouling in heat exchangers

#200
20130092106
2013-04-18

Anti-clogging steam generator tube bundle

#201
20130077248
2013-03-28

Electronic device with heat dissipating assembly

#202
20130048246
2013-02-28

Integrated pressure compensating heat exchanger and method

#203
20130026105
2013-01-31

Method to inhibit scale formation in cooling circuits using carbon dioxide

#204
20130020063
2013-01-24

Heat exchanger comprising one or more plate assemblies with a plurality of interconnected channels and related method

#205
20130009634
2013-01-10

Apparatus and method for measuring deposits inside a tube

#206
20120273173
2012-11-01

Stacked heat exchanger

#207
20120273161
2012-11-01

Heat Exchanger

#208
20120273091
2012-11-01

Silicon-containing steel compostition with improved heat exchanger corrosion and fouling resistance

#209
20120240576
2012-09-27

Thermal gradient hydroelectric power system and method

#210
20120199310
2012-08-09

Heat exchange system, as well as a method for the operation of a heat exchange system

#211
20120186796
2012-07-26

HEAT EXCHANGER DEVICE AND USE THEREOF

#212
20120186792
2012-07-26

Architecturally And Thermally Improved Freeze Resistant Window Perimeter Radiator

#213
20120186281
2012-07-26

METHODS AND SYSTEMS FOR DESICCANT AIR CONDITIONING USING FLUIDS HEATED OR COOLED BY A SOLAR THERMAL SYSTEM

#214
20120175873
2012-07-12

REFRIGERANT PIPE CONNECTION STRUCTURE FOR AIR CONDITIONER

#215
20120175101
2012-07-12

Fin tube heat exchanger

#216
20120168358
2012-07-05

METHOD TO INHIBIT SCALE FORMATION IN COOLING CIRCUITS USING CARBON DIOXIDE

#217
20120152508
2012-06-21

Heat exchange apparatus

#218
20120132513
2012-05-31

Desalination methods and systems

#219
20120131940
2012-05-31

Methods and systems for desiccant air conditioning with combustion contaminant filtering

#220
20120131939
2012-05-31

Methods and systems for desiccant air conditioning

#221
20120131938
2012-05-31

AIR CONDITIONING SYSTEM WITH INTEGRATED SOLAR INVERTER

#222
20120131937
2012-05-31

Methods and systems for desiccant air conditioning

#223
20120131934
2012-05-31

Water recovery methods and systems

#224
20120125594
2012-05-24

Heat exchanger system

#225
20120125581
2012-05-24

HEAT EXCHANGER AND ASSOCIATED METHODS

#226
20120125405
2012-05-24

Photovoltaic-thermal (PVT) module with storage tank and associated methods

#227
20120125031
2012-05-24

Methods and systems for desiccant air conditioning

#228
20120125021
2012-05-24

Desiccant air conditioning methods and systems using evaporative chiller

#229
20120125020
2012-05-24

METHODS AND SYSTEMS FOR DESICCANT AIR CONDITIONING USING PHOTOVOLTAIC-THERMAL (PVT) MODULES

#230
20120097382
2012-04-26

HEATING EXCHANGE CHAMBER FOR LIQUID STATE COOLING FLUID

#231
20120047941
2012-03-01

Water recovery system SAGD system utilizing a flash drum

#232
20120018138
2012-01-26

HEAT SINK SYSTEM AND ASSEMBLY

#233
20120017853
2012-01-26

WASTE HEAT BOILER

#234
20120012792
2012-01-19

Method for inhibiting fouling in vapor transport system

#235
20110318223
2011-12-29

Method and system for controlling water chemistry in power generation plant

#236
20110290446
2011-12-01

Heat transfer unit for an internal combustion engine

#237
20110277888
2011-11-17

Chromiun-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components

#238
20110272124
2011-11-10

Shell And Tube Heat Exchangers

#239
20110253354
2011-10-20

Condenser

#240
20110253353
2011-10-20

Condenser

#241
20110253352
2011-10-20

Condenser

#242
20110247320
2011-10-13

Device for reducing corrosive constituents in an exhaust gas condensate of an internal combustion engine

#243
20110226452
2011-09-22

HEAT EXCHANGER

#244
20110159392
2011-06-30

COLORANT TREATED ION EXCHANGE RESINS, METHOD OF MAKING, HEAT TRANSFER SYSTEMS AND ASSEMBLIES CONTAINING THE SAME, AND METHOD OF USE

#245
20110139729
2011-06-16

Method and system for biofouling control of shipboard components

#246
20110089115
2011-04-21

Methods for prevention and reduction of scale formation

#247
20110080182
2011-04-07

Method and device for the detection and/or measurement of fouling in heat exchangers

#248
20110056663
2011-03-10

Shell-and-Tube Heat Exchanger

#249
20110049428
2011-03-03

Aqueous treatment composition for inhibiting corrosion and acid attack on metallic surfaces

#250
20110048010
2011-03-03

Apparatus and method for close coupling of heat recovery steam generators with gas turbines

#251
20110011572
2011-01-20

Helical tube bundle arrangements for heat exchangers

#252
20110011570
2011-01-20

Heat exchanger and method for making

#253
20110000505
2011-01-06

Methods and composition for cleaning a heat transfer system having an aluminum component

#254
20100270493
2010-10-28

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