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发明名称
摘要
申请公布号	JPH0238897(U)	申请公布日期	1990.03.15
申请号	JP19880117374U	申请日期	1988.09.08
申请人		发明人
分类号	H04R17/00;(IPC1-7):H04R17/00	主分类号	H04R17/00
代理机构		代理人
主权项
地址

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