,申请号JP19890039880U-传众专利搜索

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发明名称
摘要
申请公布号	JPH02131764(U)	申请公布日期	1990.11.01
申请号	JP19890039880U	申请日期	1989.04.04
申请人		发明人
分类号	G09B5/06;(IPC1-7):G09B5/06	主分类号	G09B5/06
代理机构		代理人
主权项
地址

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