Improvements in or relating to electric fire alarm apparatus,申请号GB19310015290-传众专利搜索

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发明名称	Improvements in or relating to electric fire alarm apparatus
摘要
申请公布号	GB383296(A)	申请公布日期	1932.11.17
申请号	GB19310015290	申请日期	1932.02.05
申请人	REGINA MIRIAM BLOCH	发明人
分类号	G08B17/06	主分类号	G08B17/06
代理机构		代理人
主权项
地址

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