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一种爆破阀GH690合金剪切盖的晶粒控制方法

Release Time:2019-03-09  Hits:

First Author: 雷明凯

Disigner of the Invention: 肖箭,王桂芹,朱小鹏,纪长全,潘学民

Application Number: CN201510646134.5

Authorization Date: 2015-10-09

Authorization Number: CN105170865A

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