Safety requirements for fixed steel ladders and platform—Part 1:Steel vertical ladders
全国安全生产标准化技术委员会
本部分规定了固定式钢直梯的设计、制造和安装方面的基本安全要求。
本部分适用于工业企业内工作场所中使用的固定式钢直梯（另有标准规定的除外）。
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