Improvements in sound reproducing apparatus,申请号GB19430021190-传众专利搜索

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发明名称	Improvements in sound reproducing apparatus
摘要
申请公布号	GB574036(A)	申请公布日期	1945.12.18
申请号	GB19430021190	申请日期	1943.12.17
申请人	WESTERN ELECTRIC COMPANY INCORPORATED	发明人
分类号	G10K11/02	主分类号	G10K11/02
代理机构		代理人
主权项
地址

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