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发明名称
摘要
申请公布号	JPS5688297(U)	申请公布日期	1981.07.15
申请号	JP19790170851U	申请日期	1979.12.10
申请人		发明人
分类号	H04R17/10;G10K9/122;G10K9/13;G10K9/22;G10K11/02;(IPC1-7):G10K9/22	主分类号	H04R17/10
代理机构		代理人
主权项
地址

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