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核主泵用流体静压密封环圆锥面超精密加工方法

Release Time:2019-03-09  Hits:

First Author: 霍凤伟

Disigner of the Invention: Renke Kang,Dongming Guo

Application Number: CN201110299918.7

Authorization Date: 2011-09-28

Authorization Number: CN102350658A

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