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GB 12142-2007 English PDF (GB12142-2007)

GB 12142-2007 English PDF (GB12142-2007)

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See Chinese contents: GB 12142-2007
GB 12142-2007: Safety requirements for portable metal ladders
This Standard specifies design/manufacturing safety requirements, test requirements, safe operation requirements and others for portable metal ladders. This Standard is applicable to portable metal extension ladder (two-section or three-section extension ladders), portable metal single ladder, portable metal stepladder and portable metal combination ladder used on production activities.

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