,申请号JP19770040523U-传众专利搜索

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发明名称
摘要
申请公布号	JPS53134965(U)	申请公布日期	1978.10.25
申请号	JP19770040523U	申请日期	1977.03.31
申请人		发明人
分类号	G04B19/20;G04C17/00;G09F9/30;G09F9/37;(IPC1-7):G04B19/20	主分类号	G04B19/20
代理机构		代理人
主权项
地址

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