Improvements in radio receivers embodying loud speakers,申请号GB19340003244-传众专利搜索

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发明名称	Improvements in radio receivers embodying loud speakers
摘要
申请公布号	GB432217(A)	申请公布日期	1935.07.23
申请号	GB19340003244	申请日期	1934.01.31
申请人	BURNDEPT LIMITED;RICHARD PERCY RICHARDSON	发明人
分类号	H04R1/40	主分类号	H04R1/40
代理机构		代理人
主权项
地址

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