GB 4053.1-2009 Translated English of Chinese Standard. (GB 4053.1-2009, GB4053.1-2009): Safety requirements for fixed steel ladders and platform - Part 1: Steel vertical ladders

Couverture, 20 mars 2021 - 14 pages
This Part specifies basic safety requirements for design, manufacture and installation of steel vertical ladders. This Part is applicable to steel vertical ladders that are used in workplaces in industrial enterprises (unless otherwise specified by the standard).

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