,申请号JP19730080412-传众专利搜索

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发明名称
摘要
申请公布号	JPS4946426(A)	申请公布日期	1974.05.04
申请号	JP19730080412	申请日期	1973.07.18
申请人		发明人
分类号	H04R19/00;H01G7/02;H04R19/01;H04R19/04;(IPC1-7):H01V7/02	主分类号	H04R19/00
代理机构		代理人
主权项
地址

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