Improvements in electro-dynamic sound reproducers,申请号GB19350013250-传众专利搜索

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发明名称	Improvements in electro-dynamic sound reproducers
摘要
申请公布号	GB460994(A)	申请公布日期	1937.02.03
申请号	GB19350013250	申请日期	1935.05.03
申请人	JENSEN RADIO MANUFACTURING COMPANY	发明人
分类号	H04R1/28;H04R9/00	主分类号	H04R1/28
代理机构		代理人
主权项
地址

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