METHOD FOR RESTORATION OF GROUND SURFACE TERRAIN IN MINING,申请号SU19914942541-传众专利搜索

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发明名称	METHOD FOR RESTORATION OF GROUND SURFACE TERRAIN IN MINING
摘要
申请公布号	RU1802132(C)	申请公布日期	1993.03.15
申请号	SU19914942541	申请日期	1991.06.05
申请人	VNII GORNOJ GEOMEKHANIKI MARK	发明人	BOLUCHEVSKIJ VIKTOR I,SU
分类号	E21C41/32	主分类号	E21C41/32
代理机构		代理人
主权项
地址

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