Improvements in and relating to loud speakers,申请号GB19410000064-传众专利搜索

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发明名称	Improvements in and relating to loud speakers
摘要
申请公布号	GB545712(A)	申请公布日期	1942.06.09
申请号	GB19410000064	申请日期	1941.01.02
申请人	ALBERT CHARLES WOODS	发明人
分类号	H04R1/24;H04R9/06	主分类号	H04R1/24
代理机构		代理人
主权项
地址

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