,申请号JP19770081369U-传众专利搜索

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发明名称
摘要
申请公布号	JPS548306(U)	申请公布日期	1979.01.19
申请号	JP19770081369U	申请日期	1977.06.20
申请人		发明人
分类号	H04H40/45;(IPC1-7):H04H5/00	主分类号	H04H40/45
代理机构		代理人
主权项
地址

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