Automatically acting fire protecting device for cinematographs,申请号GB19310023580-传众专利搜索

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发明名称	Automatically acting fire protecting device for cinematographs
摘要
申请公布号	GB385018(A)	申请公布日期	1932.12.22
申请号	GB19310023580	申请日期	1931.08.21
申请人	ALFRED GROTHE	发明人
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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