,申请号JP19810075911U-传众专利搜索

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法人/股东/高管

发明名称
摘要
申请公布号	JPS6325840(Y2)	申请公布日期	1988.07.13
申请号	JP19810075911U	申请日期	1981.05.25
申请人		发明人
分类号	H04R27/04;(IPC1-7):H04R27/04	主分类号	H04R27/04
代理机构		代理人
主权项
地址

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