Sound reproducing device,申请号GB19640028655-传众专利搜索

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发明名称	Sound reproducing device
摘要
申请公布号	GB1046346(A)	申请公布日期	1966.10.26
申请号	GB19640028655	申请日期	1964.07.10
申请人	EDMOND ERNEST THEOBALD;MAILE RUSSELL THEOBALD	发明人
分类号	H04M1/215;H04M3/428	主分类号	H04M1/215
代理机构		代理人
主权项
地址

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