发明授权
- 专利标题: Abrading ultra-hard stones
- 专利标题(中): 超坚硬的石块切割的循环。
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申请号: EP89307317.1申请日: 1989-07-19
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公开(公告)号: EP0352093B1公开(公告)日: 1995-01-25
- 发明人: Burns, Robert Charles , Levitt, Charlie Maurice , Tolkowsky, Gabriel Shraga
- 申请人: DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 申请人地址: Debid House, Corner Amethyst Street & Crownwood Road, Theta 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: Debid House, Corner Amethyst Street & Crownwood Road, Theta Johannesburg, Transvaal ZA
- 代理机构: Jones, Alan John
- 优先权: ZA885245 19880720
- 主分类号: B28D5/00
- IPC分类号: B28D5/00
公开/授权文献
- EP0352093A3 Abrading ultra-hard stones 公开/授权日:1991-04-24
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