Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9117-2010 |
Hubbed socket welding steel pipe flanges 带颈承插焊钢制管法兰 |
China National Standards Hubbed socket welding |
 English PDF |
| GB/T 17241.4-1998 |
Hubbed slip-on-welding and Hubbed socket welding cast iron pipe flanges 带颈平焊和带颈承插焊铸铁管法兰 |
China National Standards Hubbed socket welding |
English PDF |
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