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发明名称
AUSLEGERBAGGER MIT BOHRLAFETTE
摘要
申请公布号
DE2621774(A1)
申请公布日期
1977.12.01
申请号
DE19762621774
申请日期
1976.05.15
申请人
FRIED.KRUPP GMBH
发明人
ARNDT,FRIEDRICH-KARL,DIPL.-ING.DR.-ING.;NAEFE,HELMAR,ING.
分类号
E02F3/30;E02F3/36;E02F3/42;E02F3/96;E02F5/20;E02F9/22;E21B7/02;E21B15/00;E21B19/08;(IPC1-7):E21B7/02
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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