Winning device consisting of a face conveyor and a coal plough,申请号GB19670015976-传众专利搜索

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发明名称	Winning device consisting of a face conveyor and a coal plough
摘要
申请公布号	GB1145247(A)	申请公布日期	1969.03.12
申请号	GB19670015976	申请日期	1967.04.07
申请人	MASCHINENFABRIK UND EISENGIESSEREI A. BEIEN	发明人
分类号	E21C35/12	主分类号	E21C35/12
代理机构		代理人
主权项
地址

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