CURTAIN FOR LOCALIZING GAS AND COAL DUST EXPLOSIONS IN MINE WORKINGS,申请号SU19823446182-传众专利搜索

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发明名称	CURTAIN FOR LOCALIZING GAS AND COAL DUST EXPLOSIONS IN MINE WORKINGS
摘要
申请公布号	SU1065622(A1)	申请公布日期	1984.01.07
申请号	SU19823446182	申请日期	1982.06.03
申请人	PLOTNIKOV VALERIJ M,SU	发明人	PLOTNIKOV VALERIJ M,SU
分类号	E21F5/00;(IPC1-7):E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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