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发明名称
Bohrmeissel mit Verbundschneidelementen
摘要
申请公布号
DE69405913(T2)
申请公布日期
1998.01.29
申请号
DE19946005913T
申请日期
1994.05.20
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LTD., JOHANNESBURG, TRANSVAAL, ZA
发明人
CLARK, IAN ERIC, CAMBERLEY SURREY, GB
分类号
B23P15/28;B27B33/14;B28D1/04;B28D1/12;E21B10/48;E21B10/56;E21B10/567;(IPC1-7):E21B10/48;E21B10/58
主分类号
B23P15/28
代理机构
代理人
主权项
地址
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