固定式钢梯及平台安全要求(GB4053.3-2009)
固定式钢梯及平台安全要求第三部分:工业防护栏杆及钢平台前 言本部分除第3章外为强制性。GB4053《固定式钢梯及平台安全要求》分为以下几个部分:———GB4053.1 钢直梯;———GB4053.2 钢斜梯;———GB4053.3 工业防护栏杆及钢平台。本部分为GB4053《固定式钢梯及平台安全要求》的第3部分。本部分是对GB4053.3—1993《固定式工业防护栏杆安全技术条件》和GB4053.4—1983《固定式工业钢平台》的修订,修订后两个部分合并为一个标准。本部分与GB4053.3—1993相比主要变化如下:———增加了防护栏杆设置的高度要求和条件;———修改了对材料的要求;———修...
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