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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 8335-2011 |
Special threads for gas cylinders 气瓶专用螺纹 |
China National Standards Special threads gas |
 English PDF |
| GB/T 10878-2011 |
Special taps of taper threads for gas cylinders 气瓶锥螺纹丝锥 |
China National Standards Special threads gas |
English PDF |
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