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大量微小孔的群电极电火花加工工艺方法和装置

Release Time:2019-03-09  Hits:

First Author: 王续跃

Disigner of the Invention: 徐文骥,杨连文

Application Number: CN200510046423.8

Authorization Date: 2005-05-12

Authorization Number: CN1718348

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