METHOD OF RELIEVING MINE CONTOUR,申请号SU19731945658-传众专利搜索

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发明名称	METHOD OF RELIEVING MINE CONTOUR
摘要
申请公布号	SU641109(A1)	申请公布日期	1979.01.05
申请号	SU19731945658	申请日期	1973.06.26
申请人	KOMMUNARSKIJ GORNO-METALLURGICHESKIJ INSTITUT	发明人	LITVINSKIJ GARRI GRIGOREVICH,SU;POPOV ALEKSANDR YAKOVLEVICH,SU;ZAKHARCHENKO IVAN NIKOLAEVICH,SU
分类号	E21D13/02;(IPC1-7):E21D13/02	主分类号	E21D13/02
代理机构		代理人
主权项
地址

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