Magnetic circuit of a loud speaker,申请号GB19790001600-传众专利搜索

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发明名称	Magnetic circuit of a loud speaker
摘要
申请公布号	GB2031247(A)	申请公布日期	1980.04.16
申请号	GB19790001600	申请日期	1979.01.16
申请人	HOKUTO ONKYO CO LTD	发明人
分类号	H04R9/00;H04R9/02;(IPC1-7):H04R9/02	主分类号	H04R9/00
代理机构		代理人
主权项
地址

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