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发明名称
Ankerausbau fuer den Grubenbetrieb
摘要
申请公布号
DE933323(C)
申请公布日期
1955.09.22
申请号
DE1952F009004
申请日期
1952.05.08
申请人
FISCHER AUGUST DIPL.-ING.
发明人
FISCHER AUGUST DIPL.-ING.;KETZLER WILHELM
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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