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发明名称
ABBAU- UND VORTRIEBSMASCHINE
摘要
申请公布号
DE3017660(A1)
申请公布日期
1981.11.12
申请号
DE19803017660
申请日期
1980.05.08
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
ROSTOWSKI,TEJA;HALLER,HERBERT
分类号
E21C31/02;E21D9/10;(IPC1-7):E21C27/00
主分类号
E21C31/02
代理机构
代理人
主权项
地址
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