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发明名称
GEWINNUNGSEINRICHTUNG, INSBESONDERE FUER DIE KOHLEGEWINNUNG IN UNTERTAGEBETRIEBEN
摘要
申请公布号
DE2754381(A1)
申请公布日期
1979.06.13
申请号
DE19772754381
申请日期
1977.12.07
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
BECKMANN,KLAUS,DIPL.-ING.PROF.DR.;GRISEBACH,HANS-TH.
分类号
E21C25/60;E21C27/32;E21C27/34;E21C35/12;(IPC1-7):E21C27/32
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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