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发明名称
VERFAHREN ZUM HERSTELLEN VON BOHRUNGEN IN KOHLEFLOEZEN
摘要
申请公布号
DE2709437(A1)
申请公布日期
1978.09.07
申请号
DE19772709437
申请日期
1977.03.04
申请人
MESSERSCHMITT-BOELKOW-BLOHM GMBH
发明人
MUNDING,GERMAN,DIPL.-ING.;HOPMANN,HELMUT,DIPL.-ING.;SOWA,ARMIN,ING.;BECKERVORDERSANDFORTH,CHRISTIAN,DR.-ING.;TERSCHUEREN,WALTER,DIPL.-ING.
分类号
E21B7/14;E21B7/18;E21B43/247;(IPC1-7):E21C19/00;C10J5/00
主分类号
E21B7/14
代理机构
代理人
主权项
地址
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