Device for extinguishing film fire,申请号US19510260872-传众专利搜索

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发明名称	Device for extinguishing film fire
摘要
申请公布号	US2680489(A)	申请公布日期	1954.06.08
申请号	US19510260872	申请日期	1951.12.10
申请人	RAYMOND ASHLEY;FATJO TOM J	发明人	ASHLEY RAYMOND;FATJO TOM J.
分类号	G03B21/18	主分类号	G03B21/18
代理机构		代理人
主权项
地址

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