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发明名称
Raeumpflug fuer die untertaegige Gewinnung
摘要
申请公布号
DE870389(C)
申请公布日期
1953.03.12
申请号
DE1952E004861
申请日期
1952.01.01
申请人
GEBR. EICKHOFF MASCHINENFABRIK;EISENGIESSEREI M.B.H.
发明人
SCHLOTTER RUDOLF
分类号
E21C27/18
主分类号
E21C27/18
代理机构
代理人
主权项
地址
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