LOUDSPEAKER,申请号USD3483946-传众专利搜索

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发明名称	LOUDSPEAKER
摘要
申请公布号	US3483946(A)	申请公布日期	1969.12.16
申请号	USD3483946	申请日期	1968.12.26
申请人	NIPPON GAKKI SEIZO KK.	发明人	HIROMI SOTOME
分类号	H04R7/12;(IPC1-7):G10K13/00	主分类号	H04R7/12
代理机构		代理人
主权项
地址

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