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法人/股东/高管

发明名称
摘要
申请公布号	JPS566199(U)	申请公布日期	1981.01.20
申请号	JP19790087504U	申请日期	1979.06.25
申请人		发明人
分类号	H04R25/04;G11B5/027;H04R25/00;(IPC1-7):H04R25/00	主分类号	H04R25/04
代理机构		代理人
主权项
地址

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