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发明名称
Verfahren zur Herstellung von Versatzdraht od. dgl. fuer unterirdische Grubenbetriebe
摘要
申请公布号
DE946530(C)
申请公布日期
1956.08.02
申请号
DE1953B027266
申请日期
1953.09.01
申请人
HEINRICH WILHELM BRUNE
发明人
BRUNE HEINRICH WILHELM
分类号
E21F15/04
主分类号
E21F15/04
代理机构
代理人
主权项
地址
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