STEEP SEAM MINING MACHINE SET,申请号SU19752108152-传众专利搜索

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发明名称	STEEP SEAM MINING MACHINE SET
摘要
申请公布号	SU611009(A1)	申请公布日期	1978.06.15
申请号	SU19752108152	申请日期	1975.02.18
申请人	ERPYLEV VIKTOR M,SU;CHERNYKH NIKOLAJ G,SU;REVKOV MIKHAIL N,SU	发明人	ERPYLEV VIKTOR M,SU;CHERNYKH NIKOLAJ G,SU;REVKOV MIKHAIL N,SU
分类号	E21C47/00;(IPC1-7):E21C47/00	主分类号	E21C47/00
代理机构		代理人
主权项
地址

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