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发明名称
Fernsteuervorrichtung fuer einen wandernden Strebausbau in untertaetigen Grubenbetrieben
摘要
申请公布号
DE1483896(A1)
申请公布日期
1969.09.25
申请号
DE19661483896
申请日期
1966.03.17
申请人
GULLICK LTD.
发明人
WARD,RICHARD
分类号
E21D23/12;E21D23/14
主分类号
E21D23/12
代理机构
代理人
主权项
地址
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