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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 24911-2010 |
Bowl-coupler type Steel tube scaffolding member 碗扣式钢管脚手架构件 |
China National Standards Steel tube scaffold |
 English PDF |
| GB 15831-2006 |
Steel tube scaffold couplers 钢管脚手架扣件 |
China National Standards Steel tube scaffold |
English PDF |
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