Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 12237-2021 |
Steel ball valves for petroleum, petrochemical and allied industries 石油、石化及相关工业用的钢制球阀 |
China National Standards Steel ball valves |
![]() English PDF |
GB/T 12237-2007 |
Steel ball valves for petroleum, petrochemical and allied industries 石油、石化及相关工业用的钢制球阀 |
China National Standards Steel ball valves |
![]() English PDF |
Find out:2Items | To Page of: First -Previous-Next -Last | 1 |