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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 17889.5-2025 |
Ladders - Part 5: Telescopic Ladders {译} 梯子-第5部分：伸缩梯 |
China National Standards Ladders 5: Telescopic |
 English PDF |
| GB/T 17889.5-2019 |
Ladders—Part 5: Telescopic ladders
梯子 第5部分：伸缩梯 |
China National Standards Ladders 5: Telescopic |
English PDF |
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