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一种基准尺法大直径测量π尺装置及测量方法

Release Time:2019-03-09  Hits:

First Author: 李洲龙

Disigner of the Invention: 刘巍,HANG GAO,王东魏,王续跃

Application Number: CN201010522099.3

Authorization Date: 2010-10-21

Authorization Number: CN102042790A

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