,申请号JP19710003870U-传众专利搜索

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发明名称
摘要
申请公布号	JPS472445(U)	申请公布日期	1972.08.28
申请号	JP19710003870U	申请日期	1971.01.29
申请人		发明人
分类号	H01C10/20;G10K11/02;H01C10/16;H01C10/38;H01C10/44;H04R5/00;H04S7/00;(IPC1-7):H04R5/00	主分类号	H01C10/20
代理机构		代理人
主权项
地址

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