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发明名称
摘要
申请公布号	JPS5176426(U)	申请公布日期	1976.06.16
申请号	JP19740149707U	申请日期	1974.12.12
申请人		发明人
分类号	H04R7/02;H04R7/12;H04R9/06;(IPC1-7):H04R7/12	主分类号	H04R7/02
代理机构		代理人
主权项
地址

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