TUNNEL DISASTER PREVENTING APPARATUS OF THE VENTILATION TYPE,申请号JP19750054244-传众专利搜索

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发明名称	TUNNEL DISASTER PREVENTING APPARATUS OF THE VENTILATION TYPE
摘要
申请公布号	JPS51130052(A)	申请公布日期	1976.11.12
申请号	JP19750054244	申请日期	1975.05.08
申请人	SANKOU KUUKI SOUCHI KK	发明人	MORIYAMA ARITSUNE
分类号	E21F1/00;E21D1/00;E21F11/00;F24F7/06	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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