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一种基准级齿轮螺旋线样板

Release Time:2026-03-13  Hits:

First Author: 凌四营

Disigner of the Invention: 娄志峰,张慧阳,于宝地,陈义磊,王立鼎

Institution: 机械工程学院

Authorization Date: 2019-08-20

Authorization Number: ZL201811078252.0

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