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发明名称
Klemmvorrichtung zur Fixierung von Diamantsegmenten beim Auflöten auf Bohrkronenrohre
摘要
申请公布号
DE20104890(U1)
申请公布日期
2001.08.30
申请号
DE20012004890U
申请日期
2001.03.21
申请人
VENT, KLAUS
发明人
分类号
E21B10/48;(IPC1-7):E21B10/46
主分类号
E21B10/48
代理机构
代理人
主权项
地址
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