GBT3420
GBT3420, Total:2 items.
The international standard classification for "GBT3420" includes: Steels pipes and tubes for specific use .
The Chinese standard classification for "GBT3420" includes: Steel tube and cast iron pipe .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 3420-1982 Gray iron castings for pipe fittings
- GB/T 3420-2008 Gray iron castigs for pipe fittings
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