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一种弧形伸缩臂机构及具有该机构的起重机

Release Time:2019-03-09  Hits:

First Author: 付俊华

Disigner of the Invention: MayW,杨云博,巩悦,方国强,王欣

Application Number: CN201620828091.2

Authorization Date: 2016-07-29

Authorization Number: CN205820755U

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