发明授权
EP0009315B1 Method of making tool inserts, wire-drawing die blank and drill bit comprising such inserts
失效
制造工具插件的方法,包括这些插入物的电线插座和钻头
- 专利标题: Method of making tool inserts, wire-drawing die blank and drill bit comprising such inserts
- 专利标题(中): 制造工具插件的方法,包括这些插入物的电线插座和钻头
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申请号: EP79301629.6申请日: 1979-08-13
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公开(公告)号: EP0009315B1公开(公告)日: 1984-02-08
- 发明人: Campbell, Nicoll Archibald Drummond , Dyer, Henry Brooke , Dietrich, Rainer , Phaal, Cornelius , Reid, Douglas James
- 申请人: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 申请人地址: 8th Floor 45 Main Street Johannesburg Transvaal ZA
- 专利权人: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 当前专利权人: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 当前专利权人地址: 8th Floor 45 Main Street Johannesburg Transvaal ZA
- 代理机构: Jones, Alan John
- 优先权: ZA784716 19780818; ZA787087 19781219; ZA787291 19781227; ZA790814 19790221
- 主分类号: B23P15/28
- IPC分类号: B23P15/28 ; B21C3/02 ; B24D3/00 ; E21B10/46
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