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发明名称
Haltevorrichtung für einen Schneideinsatz in einem drehbeweglichen Bohrkopf zum Gesteinsbohren und Verfahren zu ihrem Betrieb
摘要
申请公布号
CH520864(A)
申请公布日期
1972.03.31
申请号
CH19700009815
申请日期
1970.06.29
申请人
SANDVIKENS JERNVERKS AKTIEBOLAG
发明人
OLOF LUNDSTROM,HANS PER;SOREN LILJEKVIST,BERNT
分类号
B23B29/04;E21B10/62;E21B17/04;(IPC1-7):E21C13/02
主分类号
B23B29/04
代理机构
代理人
主权项
地址
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