Gewinnungsmaschine fuer Steinkohle u. dgl.,申请号DE1952V004447-传众专利搜索

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发明名称	Gewinnungsmaschine fuer Steinkohle u. dgl.
摘要
申请公布号	DE1052931(B)	申请公布日期	1959.03.19
申请号	DE1952V004447	申请日期	1952.03.22
申请人	L'EQUIPEMENT MINIER, S. A. R. L.	发明人	VALANTIN ALFRED ALPHONSE MARIE
分类号	E21C25/56	主分类号	E21C25/56
代理机构		代理人
主权项
地址

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