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GB/T 38521-2020 Gas analysis—Purity analysis and the treatment of purity data via email in 1-3 business day TO BE VALID please email coc@codeofchina.com for quotation
GB/T 10624-1995 High purity argon (USD) via email in 1-3 business day ABOLISHED
GB/T 32386-2015 Gases for electronic industry—Tungsten hexaflouride (USD) via email in 1-3 business day VALID
JB/T 9073-1999 Centrifugal cryogenic liquid pumps used for air sparation plants via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9071-1999 Argon shielded arc welding procedure specifications and welding procedure qualifications for air spearation plants constructed of aluminium alloys via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 5829-2006 Krypton via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 29729-2013 Essential requirements for the safety of hydrogen systems (USD) via email in 1-5 business day VALID
JB/T 7672-2010 Flow chart of air separation plant-Graphical symbols and letter codes (USD) via email in 1-3 business day VALID
GB 4962-1985 Technical safety regulation for gaseous hydrogen use via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 18867-2014 Gases for electronic industry—Sulphur hexaflouride (USD) via email in 1-3 business day VALID
JB/T 5904.2-1999 Manufacturing specifications for low pressure turboexpanders via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 22026-2008 Aerosol grade propane(A-108) (USD) via email in 1-3 business day VALID
HG/T 4098-2009 Compressed petroleum gas with synergist via email in VALID please email coc@codeofchina.com for quotation
GB/T 3863-1995 Industrial oxygen via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 13548-1992 General principle of safety assessment for phosgene and its products plant via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
HG/T 3661.2-1999 Burning gases for welding and cutting -- propane (USD) via email in 1-3 business day ABOLISHED
GB/T 33774-2017 Gas for electronic industry—Propylene via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JB/T 6896-2007 Surface cleanliness of air separation plants (USD) via email in 1-3 business day VALID
GB/T 14599-2008 Pure oxygen and high purity oxygen and ultra pure oxygen via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14602-1993 Gases for electronic industry. Hydrogen chloride (USD) via email in 1-3 business day ABOLISHED
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