Improvements in or relating to electric fire alarm apparatus,申请号GB19360016799-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	GB476891(A)	申请公布日期	1937.12.17
申请号	GB19360016799	申请日期	1936.06.17
申请人	WILLIAM GEORGE OWEN	发明人
分类号	G08B25/12	主分类号	G08B25/12
代理机构		代理人
主权项
地址

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