DEVICE FOR PROTECTING STOPE CRITICAL ZONE FROM ROLLING DOWN LUMPS OF ROCK,申请号SU19925056529-传众专利搜索

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发明名称	DEVICE FOR PROTECTING STOPE CRITICAL ZONE FROM ROLLING DOWN LUMPS OF ROCK
摘要
申请公布号	RU2066766(C1)	申请公布日期	1996.09.20
申请号	SU19925056529	申请日期	1992.04.14
申请人	VOSTOCHNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI	发明人	POLYAKOV YURIJ I;VOLOSHIN LEONID K;SAVKINA TATYANA A;BEDAREV NIKOLAJ S
分类号	E21D23/03;E21D23/04;(IPC1-7):E21D23/03	主分类号	E21D23/03
代理机构		代理人
主权项
地址

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