METHOD OF OPENING-UP, PREPARING AND WORKING HORIZONTAL AND GENTLY SLOPING MINERAL BEDS,申请号SU19802896120-传众专利搜索

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发明名称	METHOD OF OPENING-UP, PREPARING AND WORKING HORIZONTAL AND GENTLY SLOPING MINERAL BEDS
摘要
申请公布号	SU898068(A1)	申请公布日期	1982.01.15
申请号	SU19802896120	申请日期	1980.03.12
申请人	NI GORNORUDNYJ INSTITUT	发明人	URVANTSEV VIKTOR P,SU;IVDENKO ANATOLIJ N,SU;BARBASHEV VIKTOR KH,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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