MINE WORKING VENTILATION CONTROL SYSTEM,申请号SU19894708405-传众专利搜索

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发明名称	MINE WORKING VENTILATION CONTROL SYSTEM
摘要
申请公布号	SU1687794(A1)	申请公布日期	1991.10.30
申请号	SU19894708405	申请日期	1989.06.21
申请人	TSNI GEOLOGORAZVEDOCHNYJ I TSVETNYKH BLAGORODNYKH METALLOV	发明人	ZASUKHIN IGOR N,SU;BERNADSKIJ VADIM G,SU;GRECHUSHKIN VLADIMIR V,SU
分类号	E21F1/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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