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发明名称
Traenkrohr fuer Stosstraenkverfahren im Bergbau mit Dichtungsmanschette und einer aus Zylinder und Kolben bestehenden Druckvorrichtung
摘要
申请公布号
DE1043998(B)
申请公布日期
1958.11.20
申请号
DE1956H027150
申请日期
1956.05.25
申请人
CARL HAMACHER KOMMANDITGESELLSCHAFT
发明人
分类号
E21F5/18
主分类号
E21F5/18
代理机构
代理人
主权项
地址
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