Improvements in electric alarm apparatus responsive to wireless signals,申请号GB19330023273-传众专利搜索

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发明名称	Improvements in electric alarm apparatus responsive to wireless signals
摘要
申请公布号	GB404896(A)	申请公布日期	1934.01.25
申请号	GB19330023273	申请日期	1933.08.21
申请人	SVEN WILHELM FRANS OSKAR OLIN	发明人
分类号	H04L15/26	主分类号	H04L15/26
代理机构		代理人
主权项
地址

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