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发明名称
GESTEINSBOHRER
摘要
申请公布号
DE2808885(A1)
申请公布日期
1979.09.13
申请号
DE19782808885
申请日期
1978.03.02
申请人
HAWERA PROBST GMBH+CO
发明人
PEETZ,WOLFGANG,DIPL.-ING.;KLAISSLE,SIEGFRIED
分类号
B28D1/14;B23B51/04;E21B10/00;E21B10/04;E21B10/44;(IPC1-7):E21C13/06
主分类号
B28D1/14
代理机构
代理人
主权项
地址
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