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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4437.1-2023 |
Aluminum and aluminum alloy hot extruded tubes Part 1: Seamless round tubes {译} 铝及铝合金热挤压管 第1部分：无缝圆管 |
China National Standards Seamless aluminum alloy |
 English PDF |
| GB/T 11640-2021 |
Seamless aluminum alloy gas cylinders 铝合金无缝气瓶 |
China National Standards Seamless aluminum alloy |
English PDF |
| GB 11640-2011 |
Seamless aluminum alloy gas cylinders 铝合金无缝气瓶 |
China National Standards Seamless aluminum alloy |
English PDF |
| GB 13077-2004 |
Periodic inspection and evaluation of Seamless aluminum alloy gas cylinders 铝合金无缝气瓶定期检验与评定 |
China National Standards Seamless aluminum alloy |
English PDF |
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