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发明名称
STREBGEWINNUNGSEINRICHTUNG
摘要
申请公布号
DE3202154(A1)
申请公布日期
1982.09.23
申请号
DE19823202154
申请日期
1982.01.23
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
BECKER,KUNIBERT;BEYER,HERBERT
分类号
E21C29/16;(IPC1-7):E21C27/00
主分类号
E21C29/16
代理机构
代理人
主权项
地址
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