ClassID:

168764

G01N2030/326 - CPC Classification

Classification description:

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation; Column chromatography; Conditioning of the fluid carrier; Flow patterns; Control of physical parameters of the fluid carrier of pressure or speed pumps

Recent Application in this class:
#1
20260133165
2026-05-14

LIQUID CHROMATOGRAPH

#2
20260126420
2026-05-07

Desalting System For Chromatography

#3
20260118324
2026-04-30

SYSTEM EQUILIBRATION FOR AN ANALYSIS DEVICE

#4
20260104305
2026-04-16

PRESSURE SENSOR AND METHOD FOR DETERMINING PRESSURE

#5
20260079139
2026-03-19

FAILOVER OPERATION MODE FOR LIQUID CHROMATOGRAPHY SYSTEMS

#6
20260079136
2026-03-19

METHOD FOR OPTIMIZING A LIQUID CHROMATOGRAPHY SYSTEM AND SYSTEM FOR LIQUID CHROMATOGRAPHY

#7
20260043774
2026-02-12

SOLVENT DELIVERY WITH A REDUCED VOLUME SINGLE STROKE PUMPING ARRANGEMENT PROVIDING CONTINUOUS SOLVENT FLOW

#8
20260009773
2026-01-08

CHROMATOGRAPH SYSTEM

#9
20260002916
2026-01-01

STATE DETERMINATION OF A FLUIDIC SYSTEM

#10
20250383327
2025-12-18

COMPACT AND MODULAR CAPILLARY LIQUID CHROMATOGRAPHY SYSTEM

#11
20250369934
2025-12-04

COMPACT AND MODULAR CAPILLARY LIQUID CHROMATOGRAPHY SYSTEM

#12
20250362276
2025-11-27

ANALYTICAL DEVICE WITH SOLVENT-INFORMATION EVALUATION

#13
20250354965
2025-11-20

LIQUID FEEDING UNIT, AND LIQUID CHROMATOGRAPHY ANALYSIS SYSTEM AND CONTROL METHOD THEREOF

#14
20250354964
2025-11-20

EQUAL DISPERSION SPLIT-FLOW MIXER

#15
20250327779
2025-10-23

INSULATED SERIAL COLUMN CHROMATOGRAPHY ARRANGEMENTS AND SYSTEMS

#16
20250244301
2025-07-31

CHARACTERIZING A PROPERTY OF A FLOW PATH OF AN ANALYSIS DEVICE

#17
20250153073
2025-05-15

METHOD FOR PRESSURE EQUALISATION OF SIMULTANEOUSLY OPERATED COLUMNS

#18
20250146984
2025-05-08

SAMPLE SEPARATION DEVICE WITH FLUID DRIVE UNIT DECOUPLING

#19
20250146982
2025-05-08

AUTOMATED ONLINE MEASUREMENT OF RESIDUAL CORROSION INHIBITORS IN AQUEOUS OIL FIELD FLUIDS

#20
20250137887
2025-05-01

SAMPLE TRANSPORT DEVICE WITH PUMPING ELEMENT FOR AN ANALYZER

#21
20250102481
2025-03-27

Gas Chromatography Calibration Technique Using Linear Ratios

#22
20250102477
2025-03-27

HIGH PRESSURE FLOW PROPORTIONING FOR STAGGERED CHROMATOGRAPHY USING A SINGLE PUMP

#23
20250099993
2025-03-27

LOW-FRICTION ROLLING PLUNGER FOR A WEARABLE DRUG DELIVERY DEVICE

#24
20250067719
2025-02-27

Gas Chromatography for Liquid Phase Light Hydrocarbon Detection

#25
20250060341
2025-02-20

INTELLIGENT MAINTENANCE FOR SCIENTIFIC INSTRUMENTS

#26
20250041761
2025-02-06

Fractionating Liquid Chromatograph and Control Method Therefor

#27
20250035598
2025-01-30

HIGH PERFORMANCE LIQUID CHROMATOGRAPHY PUMP, AND LIQUID CHROMATOGRAPHY SYSTEM COMPRISING SAME

#28
20250035597
2025-01-30

METHOD FOR CONTROLLING LIQUID CHROMATOGRAPH

#29
20240385155
2024-11-21

ANALYTICAL SYSTEM AND METHOD

#30
20240385149
2024-11-21

POSITION SYNCHRONIZATION OF CHROMATOGRAPHY PUMPS DURING SAMPLE INJECTION

#31
20240345039
2024-10-17

ANALYSIS DEVICE

#32
20240319147
2024-09-26

GAS MONITORING DEVICE FOR GAS CHROMATOGRAPH

#33
20240280549
2024-08-22

COMPACT AND MODULAR CAPILLARY LIQUID CHROMATOGRAPHY SYSTEM

#34
20240280546
2024-08-22

FLUID SUPPLY DEVICES FOR FORMING A FILTERED MOBILE PHASE FOR A SAMPLE SEPARATING DEVICE

#35
20240280091
2024-08-22

DEVICE FOR CONTROLLING A PISTON PUMP UNIT FOR LIQUID CHROMATOGRAPHY

#36
20240230455
2024-07-11

DETERMINING A RESTRICTION IN A LIQUID NETWORK

#37
20240201144
2024-06-20

LIQUID CHROMATOGRAPH AND METHOD FOR CONTROLLING SAME

#38
20240201143
2024-06-20

Operation of an injector of a sample separation device

#39
20240175849
2024-05-30

Flow Module Selector

#40
20240085259
2024-03-14

PRESSURE SENSOR

#41
20240053307
2024-02-15

Identifying Repetitive Portions of Clinical Notes and Generating Summaries Pertinent to Treatment of a Patient Based on the Identified Repetitive Portions

#42
20240044847
2024-02-08

PREPARATIVE LIQUID CHROMATOGRAPH

#43
20240019407
2024-01-18

METHOD OF CONTROLLING LIQUID CHROMATOGRAPH AND LIQUID CHROMATOGRAPH

#44
20230408465
2023-12-21

Compact and modular capillary liquid chromatography system

#45
20230384271
2023-11-30

Liquid Feeding Pump and Liquid Feeding Method

#46
20230349868
2023-11-02

Column accommodation device and liquid chromatograph

#47
20230349867
2023-11-02

Chromatography Apparatus

#48
20230341358
2023-10-26

METHOD FOR DETERMINING LIQUID FLOW RATE, FRACTION COLLECTOR AND LIQUID CHROMATOGRAPHY SYSTEM

#49
20230332586
2023-10-19

Liquid Feeding Pump and Liquid Feeding Method

#50
20230324347
2023-10-12

CHROMATOGRAPH, AND SAMPLE ANALYSIS METHOD

#51
20230296620
2023-09-21

Systems and Methods for Assaying Large Molecules with Improved Sensitivity

#52
20230288385
2023-09-14

MANAGEMENT SYSTEM FOR MANAGING OPERATION OF PREPARATIVE LIQUID CHROMATOGRAPH APPARATUS

#53
20230266285
2023-08-24

LOW TEMPERATURE OLIGOSACCHARIDE ANALYTICAL SYSTEM AND METHOD

#54
20230266281
2023-08-24

HIGH THROUGHPUT LIQUID CHROMOTOGRAPHY USING LOW FLOWRATE

#55
20230258614
2023-08-17

Liquid chromatograph

#56
20230194485
2023-06-22

DESALTING SYSTEM FOR CHROMATOGRAPHY

#57
20230194483
2023-06-22

DIFFERENTIAL REFRACTOMETER FOR GRADIENT CHROMATOGRAPHY

#58
20230184723
2023-06-15

LIQUID CHROMATOGRAPHY ANALYSIS SYSTEM

#59
20230149833
2023-05-18

METHOD OF OPERATING A LIQUID CHROMATOGRAPHY ARRANGEMENT, A LIQUID CHROMATOGRAPHY ARRANGEMENT, AND A CHROMATOGRAPHY SYSTEM

#60
20230137952
2023-05-04

STATE DETERMINATION OF A FLUIDIC SYSTEM

#61
20230136667
2023-05-04

Method of cleaning liquid chromatographic system and liquid chromatographic system

#62
20230136050
2023-05-04

Method of cleaning liquid chromatographic system and liquid chromatographic system

#63
20230132731
2023-05-04

Liquid chromatographic system and method of cleaning the same, and computer readable medium

#64
20230129403
2023-04-27

Chromatography analysis system

#65
20230123459
2023-04-20

Liquid chromatographic apparatus and air bubble removal method of liquid chromatographic apparatus

#66
20230098252
2023-03-30

LIQUID FEEDING UNIT, AND LIQUID CHROMATOGRAPHY ANALYSIS SYSTEM AND CONTROL METHOD THEREOF

#67
20230091683
2023-03-23

Liquid feeding apparatus and liquid feeding method

#68
20230055226
2023-02-23

Low-friction rolling plunger for a wearable drug delivery device

#69
20230045584
2023-02-09

APPARATUS AND METHOD FOR DETECTING GAS

#70
20230033664
2023-02-02

Operation of a Fluidic System

#71
20230028078
2023-01-26

Suppressor device for ion chromatograph

#72
20230010923
2023-01-12

Pump unit and chromatograph

#73
20220373517
2022-11-24

EQUAL DISPERSION SPLIT-FLOW MIXER

#74
20220365042
2022-11-17

Control of sample separation based on analysis of mobile phase supply from mobile phase container

#75
20220364552
2022-11-17

Plunger, pump, and liquid analysis device

#76
20220341897
2022-10-27

Operation of an injector of a sample separation device

#77
20220341895
2022-10-27

Preparative chromatograph and preparative method using preparative chromatograph

#78
20220317098
2022-10-06

SOLVENT DELIVERY WITH A REDUCED VOLUME SINGLE STROKE PUMPING ARRANGEMENT PROVIDING CONTINUOUS SOLVENT FLOW

#79
20220308020
2022-09-29

Automated semi-preparative gradient recycling liquid chromatography

#80
20220283127
2022-09-08

Branching off fluidic sample with low influence on source flow path

#81
20220270868
2022-08-25

Mass spectrometer and method of controlling the same

#82
20220260536
2022-08-18

LIQUID CHROMATOGRAPH

#83
20220252558
2022-08-11

System and method for controlling fluid flow within a liquid chromatography system

#84
20220252556
2022-08-11

Binary pump and liquid chromatograph

#85
20220252555
2022-08-11

Liquid sending system for liquid chromatograph

#86
20220244222
2022-08-04

Liquid delivery pump and liquid chromatograph

#87
20220210879
2022-06-30

Detector for chromatograph

#88
20220205440
2022-06-30

Liquid feed pump and liquid chromatography device

#89
20220187257
2022-06-16

Differential refractive index measurement method, measurement device, and measurement program

#90
20220178889
2022-06-09

Analysis system

#91
20220137013
2022-05-05

COMPONENT MANAGEMENT SYSTEM FOR ANALYSIS DEVICE AND COMPONENT MANAGEMENT PROGRAM

#92
20220137008
2022-05-05

Liquid chromatograph

#93
20220128523
2022-04-28

Control of a buffer preparation process

#94
20220128522
2022-04-28

TRAINING A NEURAL NETWORK PROCESSOR FOR DIAGNOSIS OF A CONTROLLED LIQUID CHROMATOGRAPHY PUMP UNIT

#95
20220099635
2022-03-31

Liquid chromatograph

#96
20220091074
2022-03-24

Continuous flow mixer

#97
20220091073
2022-03-24

Breathalyzer

#98
20220074901
2022-03-10

Liquid chromatograph mass spectrometer

#99
20220065827
2022-03-03

Multi-dimensional liquid chromatography with second dimension having a variable flow rate

#100
20220065825
2022-03-03

Sample injector

#101
20220050086
2022-02-17

Preparative chromatograph

#102
20210404996
2021-12-30

Chromatographic dimension selection in multidimensional liquid chromatography

#103
20210396722
2021-12-23

Insulated serial column chromatography arrangements and systems

#104
20210394082
2021-12-23

Two-dimensional fluid separation with push-pull modulation

#105
20210382019
2021-12-09

System and valve for liquid chromatography

#106
20210356442
2021-11-18

On-line system for improving detection level of analytes by liquid chromatography and analysis method using same

#107
20210302397
2021-09-30

Metering pump for liquid chromatography

#108
20210270784
2021-09-02

Fluid supply device for fluid chromatograph

#109
20210239657
2021-08-05

Biocompatible component with structural reinforcement

#110
20210231621
2021-07-29

Liquid delivery device and liquid chromatograph

#111
20210215649
2021-07-15

Device storage structure for fluid chromatograph

#112
20210199627
2021-07-01

3-D glass printable hand-held gas chromatograph for biomedical and environmental applications

#113
20210180586
2021-06-17

System for Pumping a Compressible Liquid

#114
20210172437
2021-06-10

Liquid sending device

#115
20210148869
2021-05-20

Autosampler and liquid chromatograph

#116
20210132009
2021-05-06

Plunger pump

#117
20210123892
2021-04-29

Liquid chromatograph including passage switch valve

#118
20210123891
2021-04-29

SOLVENT DELIVERY SYSTEM FOR LIQUID CHROMATOGRAPHY THAT MAINTAINS FLUID INTEGRITY AND PRE-FORMS GRADIENTS

#119
20210072199
2021-03-11

Chromatography system

#120
20210063370
2021-03-04

System, apparatus, and method for monitoring organic compounds in a gas environment

#121
20210055267
2021-02-25

ARTICLE INSPECTION SYSTEM AND METHOD, ELECTRONIC DEVICE, STORAGE MEDIUM

#122
20210033573
2021-02-04

Binary pump and liquid chromatograph provided with same

#123
20210025801
2021-01-28

Experimental Device for Measuring Diffusion Coefficient of Natural Gas

#124
20210017970
2021-01-21

Device for controlling a piston pump unit for liquid chromatography

#125
20210003540
2021-01-07

State determination of a fluidic system

#126
20200386721
2020-12-10

Quick liquid exchange in liquid chromatography

#127
20200340957
2020-10-29

Analysis device

#128
20200333300
2020-10-22

Branching off fluidic sample with low influence on source flow path

#129
20200319146
2020-10-08

Liquid chromatography multi-draw method, system and use for sampling

#130
20200309743
2020-10-01

Dual mode sample manager

#131
20200278329
2020-09-03

Liquid feeding device and fluid chromatograph

#132
20200264140
2020-08-20

Chromatography apparatus

#133
20200240960
2020-07-30

Methods for liquid chromatography fluidic monitoring

#134
20200209199
2020-07-02

Supercritical fluid apparatus

#135
20200200642
2020-06-25

System and method for detecting high pressure seal leaks in chromatographic pumps

#136
20200182235
2020-06-11

Liquid delivery device

#137
20200166486
2020-05-28

Liquid delivery device and liquid chromatograph

#138
20200166485
2020-05-28

Analysis assistance method, analysis assistance device, non-transitory computer readable medium and analysis system

#139
20200158698
2020-05-21

CONTROLLING APPARATUS FOR LIQUID CHROMATOGRAPH, METHOD FOR CONTROLLING LIQUID CHROMATOGRAPH, AND LIQUID-CHROMATOGRAPHIC ANALYZING SYSTEM

#140
20200158605
2020-05-21

System and method for monitoring phase-separation and mutual miscibility of fluid mixtures

#141
20200150097
2020-05-14

Mechanisms and methods for liquid sample introduction into a chromatography system

#142
20200088221
2020-03-19

Continuously variable output liquid chromatography pump drive

#143
20200088220
2020-03-19

Variable output liquid chromatography pump drive

#144
20200032780
2020-01-30

Liquid delivery device and fluid chromatograph

#145
20190383777
2019-12-19

Flow channel mechanism and liquid chromatograph including the same

#146
20190376936
2019-12-12

Systems, devices, and methods for controlling the temperature of a CO2 pump

#147
20190369064
2019-12-05

System and method for controlling fluid flow within a liquid chromatography system

#148
20190369062
2019-12-05

System and method for sample introduction within a chromatography system

#149
20190366325
2019-12-05

ONLINE SAMPLE MANAGER

#150
20190265210
2019-08-29

System and valve for liquid chromatography

#151
20190265207
2019-08-29

Branching off fluidic sample with low influence on source flow path

#152
20190264670
2019-08-29

THERMAL PUMP FOR FLUID NEAR A PHASE TRANSITION

#153
20190211813
2019-07-11

Switching valve, binary pump, and liquid chromatograph with binary pump

#154
20190170709
2019-06-06

Pressure system for liquid chromatography

#155
20190113485
2019-04-18

Methods for Chromatography Resin Slurry Determination

#156
20190101513
2019-04-04

Systems and methods for chromatographic analysis

#157
20190094195
2019-03-28

System, apparatus, and method for monitoring organic compounds in a gas environment

#158
20190064125
2019-02-28

Measurement of fluid flow

#159
20190010940
2019-01-10

Method of pump operation, use of the method in HPLC, pump, pump system, and HPLC system

#160
20180340916
2018-11-29

Methods for liquid chromatography fluidic monitoring

#161
20180274531
2018-09-27

Liquid feed device, liquid feed control method for liquid feed device, and liquid feed control program for liquid feed device

#162
20180252685
2018-09-06

Carbon dioxide based chromatography systems including multiple pressure control devices

#163
20180252684
2018-09-06

Carbon dioxide based chromatography systems including multiple carbon dioxide pumps

#164
20180252683
2018-09-06

CARBON DIOXIDE BASED CHROMATOGRAPHY SYSTEMS INCLUDING MULTIPLE PRESSURE CONTROL DEVICES

#165
20180245581
2018-08-30

Liquid delivery device

#166
20180236376
2018-08-23

Chromatograph

#167
20180231988
2018-08-16

Pressure related hysteresis manipulation in a pressurized flow system

#168
20180202981
2018-07-19

High-performance liquid chromatography

#169
20180202980
2018-07-19

Systems, methods, and devices for providing pressurized solvent flow

#170
20180147519
2018-05-31

Liquid chromatography pump having diversion conduit for air evacuation

#171
20180071701
2018-03-15

PORTABLE SUPERCRITICAL FLUID EXTRACTION APPARATUS

#172
20180030979
2018-02-01

Apparatus, system, and method for introducing a liquid into a vessel

#173
20170343520
2017-11-30

Branching off fluidic sample with low influence on source flow path

#174
20170189831
2017-07-06

Systems and methods for supercritical fluid chromatography

#175
20170138913
2017-05-18

Sealing moving with piston in a high-pressure pump

#176
20170050187
2017-02-23

Methods and apparatus for generating droplets

#177
20170038347
2017-02-09

Chromatography systems with mobile phase generators

#178
20170016461
2017-01-19

Seal assemblies for reciprocating and rotary applications

#179
20160274071
2016-09-22

Liquid carbon dioxide delivery pump, and supercritical fluid chromatograph provided with the same

#180
20160266017
2016-09-15

Controlled coalescence of gas phase segmented droplets

#181
20160265818
2016-09-15

Efficient chiller for a supercritical fluid chromatography pump

#182
20160258911
2016-09-08

Flow control in high performance liquid chromatography

#183
20160208832
2016-07-21

System for estimating a sensor output

#184
20160169843
2016-06-16

Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography

#185
20160139092
2016-05-19

Carbon dioxide liquid phase forming using high volume head displacement

#186
20160136544
2016-05-19

Methodology for scaling methods between supercritical fluid chromatography systems

#187
20160131620
2016-05-12

Enhanced sensitivity of detection in electrospray ionization mass spectrometry using a post-column modifier and a microfluidic device

#188
20160103104
2016-04-14

Integrated fluidic system for gas chromatography

#189
20160011155
2016-01-14

Apparatus for field-flow fractionation

#190
20150346168
2015-12-03

SOLVENT DELIVERY SYSTEM FOR LIQUID CHROMATOGRAPHY THAT MAINTAINS FLUID INTEGRITY AND PRE-FORMS GRADIENTS

#191
20150285239
2015-10-08

Determination of a fluid loss of a piston pump based on evacuation time variation

#192
20150034168
2015-02-05

Limiting a rate of pressurization in a pressurized flow system having a configurable system volume

#193
20150013803
2015-01-15

Pressure related hysteresis manipulation in a pressurized flow system

#194
20150008862
2015-01-08

Intake profile for optimized utilization of motor characteristics

#195
20150000426
2015-01-01

Sample Conditioning System for Low Pressure Gas

#196
20150000416
2015-01-01

Fluidic chip with displacable patterned layer for detecting fluid pressure

#197
20140299542
2014-10-09

Method and system for liquid chromatography fluidic monitoring

#198
20140260565
2014-09-18

Liquid feed pump and liquid chromatograph

#199
20140193275
2014-07-10

Device for controlling a piston pump unit for liquid chromatography

#200
20140190183
2014-07-10

Efficient chiller for a supercritical fluid chromatography pump

#201
20130336803
2013-12-19

Control arrangement for controlling a piston pump unit for liquid chromatography

#202
20130323103
2013-12-05

Seal assemblies for reciprocating and rotary applications

#203
20130219999
2013-08-29

Miniature HPLC device

#204
20130104631
2013-05-02

Pump for liquid chromatograph, and liquid chromatograph

#205
20130048095
2013-02-28

Automated conversion between SFC and HPLC

#206
20120303167
2012-11-29

Coordinating injector-valve switching with pump-stroke timing to mitigate effects of pressure pulses

#207
20120291531
2012-11-22

LIQUID CHROMATOGRAPH AND LIQUID FEEDER FOR LIQUID CHROMATOGRAPH

#208
20120287746
2012-11-15

Manifold for solvent mixing in liquid chromatography systems

#209
20120285558
2012-11-15

PUMP REDUCING A FLUID FLOW BY A DETERMINED AMOUNT

#210
20120216886
2012-08-30

Primary piston correction during transfer

#211
20120118828
2012-05-17

System and method for variable speed feedback control chromatography loading

#212
20120103816
2012-05-03

Multi-task immunoaffinity device secured to a peripheral box and integrated to a capillary electrophoresis apparatus

#213
20120097026
2012-04-26

Piston pump with leak diagnostic port

#214
20120055581
2012-03-08

LIQUID DELIVERY DEVIDE AND LIQUID CHROMATOGRAPHY DEVICE

#215
20120032628
2012-02-09

Intake profile for optimized utilization of motor characteristics

#216
20120031174
2012-02-09

Solvent delivery pump and liquid chromatograph

#217
20120003104
2012-01-05

PIEZO-CONTROLLED AND-OR PRESSURE RIPPLE COMPENSATING FLUID SEPARATION PUMP

#218
20110186157
2011-08-04

Precision flow control system

#219
20110164996
2011-07-07

Solution sending pump

#220
20110097215
2011-04-28

Flexible Solid-State Pump Constructed of Surface-Modified Glass Fiber Filters and Metal Mesh Electrodes

#221
20110042283
2011-02-24

Liquid delivery device, liquid chromatograph, and method for operation of liquid delivery device

#222
20110005304
2011-01-13

Flow control in high performance liquid chromatography

#223
20100288027
2010-11-18

Two-unit pump for liquid chromatograph with flow sensor arrangement

#224
20100275678
2010-11-04

Primary piston correction during transfer

#225
20100260617
2010-10-14

VALVE BASED OR VISCOSITY BASED CONTROL OF A FLUID PUMP

#226
20100202897
2010-08-12

HIGH PRESSURE PUMP CONTROL

#227
20100189574
2010-07-29

HIGH PRESSURE PUMP CONTROL

#228
20100168457
2010-07-01

Monolithic electrokinetic pump fabrication

#229
20100166582
2010-07-01

Polymer material and seals formed thereof for high pressure pump applications

#230
20100147758
2010-06-17

TENSION-FORCE COUPLED HIGH-PRESSURE PUMPING

#231
20100089134
2010-04-15

HPLC PUMPING APPARATUS WITH SILICON CARBIDE PISTON AND/OR WORKING CHAMBER

#232
20100040483
2010-02-18

Compressible fluid pumping system for dynamically compensating compressible fluids over large pressure ranges

#233
20100024906
2010-02-04

Serial capillary pump

#234
20100012497
2010-01-21

Flow control systems

#235
20100008803
2010-01-14

HIGH-PRESSURE SMALL VOLUME PUMP

#236
20090211341
2009-08-27

Leakage Detection Based on Fluid Property Changes

#237
20090205409
2009-08-20

Solvent delivery system for liquid chromatography that maintains fluid integrity and pre-forms gradients

#238
20090175738
2009-07-09

Process and device for the high-pressure delivery of a fluid mixture and use of same

#239
20090090174
2009-04-09

Precision flow control system

#240
20090057227
2009-03-05

Liquid delivery device, liquid chromatograph, and method for operation of liquid delivery device

#241
20090049891
2009-02-26

Supercritical-phase mixed chromatography method and installation for implementing same

#242
20080296209
2008-12-04

Liquid chromatograph device

#243
20080260558
2008-10-23

Device and methods of measuring pressure

#244
20080206067
2008-08-28

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