gb4450
gb4450, Total:3 items.
The international standard classification for "gb4450" includes: Piping systems .
The Chinese standard classification for "gb4450" includes: Marine pipe fittings .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB 4450-1995 Marine blind plate steel flange
- GB/T 4450-1995 Marine blank steel flanges
- GB/T 4450-2008 Marine blank steel flanges
