QJ 1112A-2008 General specification for hand-operated cut-off valve

GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 13277-1991 Compressed air for general use—Quality classes GB/T 13277.1-2008 Compressed air—Part 1:Contaminants and purity classes GB/T 13277.1-2023 Compressed air—Part 1:Contaminants and purity classes GB/T 13277.2-2015 Compressed air—Part 2:Test methods for oil aerosol content GB/T 13277.3-2015 Compressed air—Part 3:Test methods for measurement of humidity GB/T 13277.4-2015 Compressed air—Part 4:Test methods for solid particle content GB/T 13277.5-2019 Compressed air—Part 5:Test methods for oil vapour and organic solvent content GB/T 13277.6-2021 Compressed air—Part 6:Test methods for gaseous contaminant content GB/T 13277.7-2021 Compressed air—Part 7:Test method for viable microbiological contaminant content GB/T 13277.8-2023 Compressed air—Part 8:Test methods for solid particle content by mass concentration GB/T 13277.9-2022 Compressed air—Part 9:Test methods for liquid water content GB/T 394.1-1994 Ethanol for industrial use GB/T 394.1-2008 Ethanol for industrial use GB/T 699-1999 Quality carbon structural steels GJB 3403 GJB 4014 HG 4-329 HG 6-407 HG/T 2349-1992 Polyamide 1010 resin QJ 2262-1992(所有部分) SH 0459 SH 0114-1992 Aviation washing gasoline SY 1510 ZBG 33003 GB/T 394.1-2026 Non-edible fermented ethanol for industrial use