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发明名称
In die Nut einer Schlagbohrkrone eingesetzter Hartmetallschneideinsatz
摘要
申请公布号
DE1177097(B)
申请公布日期
1964.09.03
申请号
DE1959S063007
申请日期
1959.05.14
申请人
SANDVIKENS JERNVERKS AKTIEBOLAG
发明人
DAHLIN CURT VILHELM
分类号
E21B10/58
主分类号
E21B10/58
代理机构
代理人
主权项
地址
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