gb/t12237
gb/t12237, Total:3 items.
The international standard classification for "gb/t12237" includes: Valves , Globe valves .
The Chinese standard classification for "gb/t12237" includes: Valve .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12237-1989 General purpose industrial valves-Flanged and butt-weld end steel ball valves
- GB/T 12237-2007 Stell ball valves for petroleum petrochemical and allied industries
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 12237-2021 Steel ball valves for petroleum, petrochemical and allied industries
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