,申请号JP19800173073U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5794856(U)	申请公布日期	1982.06.11
申请号	JP19800173073U	申请日期	1980.12.01
申请人		发明人
分类号	H04R1/00;G01N29/04;G01N29/24;G01N29/28;(IPC1-7):G01N29/04	主分类号	H04R1/00
代理机构		代理人
主权项
地址

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