METHOD OF SUPPRESSING DUST AND IN CRITICAL AREA OF MINE WORKINGS,申请号SU19792759002-传众专利搜索

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发明名称	METHOD OF SUPPRESSING DUST AND IN CRITICAL AREA OF MINE WORKINGS
摘要
申请公布号	SU769023(A1)	申请公布日期	1980.10.07
申请号	SU19792759002	申请日期	1979.04.28
申请人	NI GORNORUDNYJ INSTITUT	发明人	FATEEV SERGEJ M,SU;CHUB VASILIJ F,SU;KHIZHNYAK GEORGIJ K,SU;ROSHCHIN VASILIJ F,SU
分类号	E21F5/20;(IPC1-7):E21F5/20	主分类号	E21F5/20
代理机构		代理人
主权项
地址

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