Electroacoustic transducer for actuating loud speakers,申请号US19460667964-传众专利搜索

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发明名称	Electroacoustic transducer for actuating loud speakers
摘要
申请公布号	US2538026(A)	申请公布日期	1951.01.16
申请号	US19460667964	申请日期	1946.05.07
申请人	UNIVERSITY LOUDSPEAKERS INC.	发明人	MORSE MILTON
分类号	H01H50/20;H04R21/02	主分类号	H01H50/20
代理机构		代理人
主权项
地址

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