METHOD OF OPENING-UP OF OPENCAST MINE FIELD,申请号SU19884474004-传众专利搜索

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发明名称	METHOD OF OPENING-UP OF OPENCAST MINE FIELD
摘要
申请公布号	SU1642014(A1)	申请公布日期	1991.04.15
申请号	SU19884474004	申请日期	1988.08.15
申请人	LEBEDINSKIJ GORNO-OBOGATITELNYJ KOMBINAT	发明人	KALASHNIKOV ANATOLIJ T,SU;BABAJ VIKTOR YA,SU;KOPYLOV VALENTIN L,SU;ALFEREV YURIJ S,SU
分类号	E21C41/26	主分类号	E21C41/26
代理机构		代理人
主权项
地址

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