SYSTEM OF AUTOMATIC MONITORING OF THE AIRING OF MINE AND PIT WORKINGS,申请号SU19782665031-传众专利搜索

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发明名称	SYSTEM OF AUTOMATIC MONITORING OF THE AIRING OF MINE AND PIT WORKINGS
摘要
申请公布号	SU740958(A1)	申请公布日期	1980.06.15
申请号	SU19782665031	申请日期	1978.09.19
申请人	BERNADSKIJ VADIM G,SU	发明人	BERNADSKIJ VADIM G,SU
分类号	E21F1/00;(IPC1-7):E21F1/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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