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发明名称
Cutting component
摘要
申请公布号
EP0263660(B1)
申请公布日期
1996.01.10
申请号
EP19870308799
申请日期
1987.10.05
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
TOMLINSON, PETER NOEL;TANK, KLAUS
分类号
B23B27/20;E21B10/56;E21B10/573;(IPC1-7):E21B10/56;E21C35/18
主分类号
B23B27/20
代理机构
代理人
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地址
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