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发明名称
Drehbohrschneide fuer Gesteinsbohrer
摘要
申请公布号
DE1179525(B)
申请公布日期
1964.10.15
申请号
DE1960D034341
申请日期
1960.09.23
申请人
DIAMANT BOART, SOCIETE ANONYME
发明人
MALBECQ VICTOR
分类号
E21B10/54
主分类号
E21B10/54
代理机构
代理人
主权项
地址
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