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发明名称
HYDRAULISCHER SCHREITAUSBAU FUER UNTERTAEGIGE GEWINNUNGSBETRIEBE
摘要
申请公布号
DE3035423(A1)
申请公布日期
1982.05.06
申请号
DE19803035423
申请日期
1980.09.19
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
BECKMANN,KLAUS,PROF.DR.-ING.
分类号
E21D23/00;E21D23/04;(IPC1-7):E21D23/08
主分类号
E21D23/00
代理机构
代理人
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