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  •  China "columns" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 33917-2017
  • Essential oils-Analysis by gas chromatography on chiral capillary columns-General method columns
    China National Standards
  • GB/T 27894.6-2012
  • Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns columns
    China National Standards
  • GB/T 27894.5-2012
  • Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 5: Determination of nitrogen,carbon dioxideand C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns columns
    China National Standards
  • GB/T 27894.4-2012
  • Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns columns
    China National Standards
  • GB/T 27894.3-2011
  • Natrual gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns columns
    China National Standards
  • GB/T 11539-2008
  • Fragrance/Flavor substances - Analysis by gas chromatography on packed columns - General method columns
    China National Standards
  • GB/T 14454.15-2008
  • Oil of sassafras - Determination of safrole and isosafrole content - Gas chromatographic method on packed columns columns
    China National Standards
  • GB/T 9978.7-2008
  • Fire-resistance tests - Elements of building construction - Part 7: Specific requirements for columns columns
    China National Standards
  • GB/T 21470-2008
  • Machining allowances and tolerances for steel open die forgings on hammer - Disks, columns, rings and seamless cylindrical sleeves columns
    China National Standards
  • GB/T 5288-2007
  • Slideways grinding machines with two columns - Testing of the accuracy columns
    China National Standards
  • GB/T 11538-2006
  • Essential oil - Analysis by gas chromatography on capillary columns - General method columns
    China National Standards
  • HG 20652-1998
  • Specification of columns design columns
    China Chemical Industry Standards
  • TB/T 2921-1998
  • (Electrified railway catenary steel columns) columns
    China Railway & Train Standards
  • SH 3079-1996
  • Code for design of frame structure of coke columns in petrochemical enterprises columns
    China Petrochemical Industry Standards
  • TB/T 1075.58-1990
  • (Electrified railway catenary parts. Steel columns fall thallium restrictions rack) columns
    China Railway & Train Standards
  • TB/T 1075.52-1990
  • (Electrified railway catenary parts. Steel columns fixed pulley device) columns
    China Railway & Train Standards
  • GB/T 3668.7-1983
  • Modular units for machine tool construction--Centre bases and columns--Dimensions columns
    China National Standards
  • GB/T 3668.11-1983
  • Modular units for machine tool construction--Integral way columns--Dimensions columns
    China National Standards
  • GB/T 3668.12-1983
  • Modular units for machine tool construction--Floor-mounted type--Integral way columns--Dimensions columns
    China National Standards
  • GB/T 3668.8-1983
  • Modular units for machine tool construction--Wing base for columns--Dimensions columns
    China National Standards
  • SJ 1660-1980
  • (Copper ring type and size of the columns line) columns
    China Electronics Standards

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