General requirements for steel valves
General requirements for steel valves, Total:3 items.
The international standard classification for "General requirements for steel valves" includes: Gate valves , Valves .
The Chinese standard classification for "General requirements for steel valves" includes: Valve .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12224-2015 General requirements for industrial steel valves
- GB/T 12224-2005 General requirements for industrial steel valves
- GB/T 12224-1989 General requirements for industrial steel valves
General requirements for thermal power supercritical and ultra-supercritical parameter valves,General requirements for steel valves
