松雨霞 发表于 2018-10-24 15:09:34

ISO 8100-20 -2018

Lifts for the transport of persons and
goods —
Part 20:
Global essential safety requirements
(GESRs)

admin 发表于 2018-10-29 10:00:13

谢谢您的分享，金币已奖励!
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