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Chinese Standard: GB/T 17889.5-2019

Ladders—Part 5:Telescopic ladders

全国机械安全标准化技术委员会(SAC/TC 208)

GB/T 17889的本部分规定了伸缩梯的主要设计特点、功能尺寸、定义、要求和试验方法。
本部分适用于高度不大于5 m的伸缩梯。
本部分不适用于延伸式梯子。

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