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一种炮管等齐膛线缠度测量仪

Release Time:2021-12-16  Hits:

First Author: 戴恒震

Disigner of the Invention: 范鸿吉,林滨,张淞瑜,韩雨辰

Application Number: 202010352616.0

Authorization Date: 2021-04-29

Authorization Number: ZL202010352616.0

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