METHOD OF WORKING THICK SLOPING COAL SEAMS,申请号SU19792805095-传众专利搜索

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发明名称	METHOD OF WORKING THICK SLOPING COAL SEAMS
摘要
申请公布号	SU866193(A1)	申请公布日期	1981.09.23
申请号	SU19792805095	申请日期	1979.08.01
申请人	VNI PK UGOLNYJ I (KUZNIUI)	发明人	VOLKOV ALEKSANDR M,SU;MIKHAJLOV PETR G,SU;KOVALEV YURIJ K,SU
分类号	(IPC1-7):E21C41/04	主分类号	(IPC1-7):E21C41/04
代理机构		代理人
主权项
地址

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