,申请号JP19730047300U-传众专利搜索

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发明名称
摘要
申请公布号	JPS541236(Y2)	申请公布日期	1979.01.20
申请号	JP19730047300U	申请日期	1973.04.19
申请人		发明人
分类号	H04R1/30;(IPC1-7):H04R1/30	主分类号	H04R1/30
代理机构		代理人
主权项
地址

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