,申请号JP19730053822U-传众专利搜索

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发明名称
摘要
申请公布号	JPS541243(Y2)	申请公布日期	1979.01.20
申请号	JP19730053822U	申请日期	1973.05.07
申请人		发明人
分类号	H04R9/04;H04R9/06;(IPC1-7):H04R9/04	主分类号	H04R9/04
代理机构		代理人
主权项
地址

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