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发明名称
摘要
申请公布号	JP3140084(B2)	申请公布日期	2001.03.05
申请号	JP19910122021	申请日期	1991.04.08
申请人		发明人
分类号	G09B19/24;G09B19/04;G10L11/00;G10L15/00;G10L15/28;H04M1/27;(IPC1-7):H04M1/27	主分类号	G09B19/24
代理机构		代理人
主权项
地址

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