gb/t12227
gb/t12227, Total:2 items.
The international standard classification for "gb/t12227" includes: Valves , Valves in general .
The Chinese standard classification for "gb/t12227" includes: Valve .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12227-1989 General purpose industrial valves-Specification of spheroidal graphite iron castings
- GB/T 12227-2005 General purpose industrial valve - Specification of spheroidal graphite iron castings
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