METHOD OF EXCAVATING MATERIALS FROM THICK UNDERGROUND FORMATIONS,申请号SU19874320201-传众专利搜索

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发明名称	METHOD OF EXCAVATING MATERIALS FROM THICK UNDERGROUND FORMATIONS
摘要
申请公布号	SU1492058(A1)	申请公布日期	1989.07.07
申请号	SU19874320201	申请日期	1987.10.22
申请人	MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE	发明人	SMIRNOV MIKHAIL M,SU;KOZLOV VIKTOR S,SU;BUYANOV VLADIMIR R,SU;YUROJTS ALEKSEJ V,SU
分类号	E21C45/00	主分类号	E21C45/00
代理机构		代理人
主权项
地址

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