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法人/股东/高管

发明名称
摘要
申请公布号	JPH03113590(U)	申请公布日期	1991.11.20
申请号	JP19900022073U	申请日期	1990.03.05
申请人		发明人
分类号	H04R1/28;H04R1/30;(IPC1-7):H04R1/30	主分类号	H04R1/28
代理机构		代理人
主权项
地址

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