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发明名称
摘要
申请公布号	JPH0429291(U)	申请公布日期	1992.03.09
申请号	JP19900071909U	申请日期	1990.07.03
申请人		发明人
分类号	H04R1/02;H04R1/30;(IPC1-7):H04R1/02	主分类号	H04R1/02
代理机构		代理人
主权项
地址

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