Improvements in and relating to loud speaker chassis,申请号GB19310028532-传众专利搜索

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发明名称	Improvements in and relating to loud speaker chassis
摘要
申请公布号	GB373907(A)	申请公布日期	1932.06.02
申请号	GB19310028532	申请日期	1931.10.14
申请人	IDEAL WERKE AKTIENGESELLSCHAFT FUER DRAHTLOSE TELEPHONIE	发明人
分类号	G03C7/02;H04R9/06	主分类号	G03C7/02
代理机构		代理人
主权项
地址

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