SPEAKER,申请号JP19750071115-传众专利搜索

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法人/股东/高管

发明名称	SPEAKER
摘要	PURPOSE:To enlarge an sound emitting angle by equipping a heater to the internal wall of a horn speaker.
申请公布号	JPS51146819(A)	申请公布日期	1976.12.16
申请号	JP19750071115	申请日期	1975.06.11
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	GOTOU TOSHIYUKI;YUKIYOSHI ATSUSHI
分类号	H04R1/30;H04R1/32	主分类号	H04R1/30
代理机构		代理人
主权项
地址

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