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2.Fluid compression technique for molding edm electrodes and other tungsten-based components 失效
Title translation: 用于模制电火花电极和其他基于TUNGSTEN的组件的流体压缩技术公开(公告)号:US3484925A
公开(公告)日:1969-12-23
申请号:US3484925D
申请日:1967-05-23
Applicant: KOPCO IND , EBERT MICHAEL
Inventor: KOPPIUS OTTO G
CPC classification number: B22F3/26 , B23H1/06 , Y10T29/49206
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3.Process for producing castable electrical discharge machining electrode material 失效
Title translation: 铸造放电加工电极材料的生产工艺公开(公告)号:US3379524A
公开(公告)日:1968-04-23
申请号:US64787067
申请日:1967-06-21
Applicant: KOPCO IND , EBERT MICHAEL
Inventor: KOPPIUS OTTO G
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