MULTI-DIRECTIONAL SOUND SIGNAL REPRODUCING SYSTEM,申请号US19750614873-传众专利搜索

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发明名称	MULTI-DIRECTIONAL SOUND SIGNAL REPRODUCING SYSTEM
摘要
申请公布号	US4075425(A)	申请公布日期	1978.02.21
申请号	US19750614873	申请日期	1975.09.19
申请人	NIPPON COLUMBIA KABUSHIKIKAISHA	发明人	KAMO, YOSHIHISA;TACHIBANA, TAKESHI;ICHIMURA, MASAO
分类号	H04S3/00;(IPC1-7):H04R5/00	主分类号	H04S3/00
代理机构		代理人
主权项
地址

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