,申请号JP19770050021U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5616637(Y2)	申请公布日期	1981.04.17
申请号	JP19770050021U	申请日期	1977.04.19
申请人		发明人
分类号	E01F9/00;E01F9/011;G08G1/095;G09F9/00;G09F9/37;G09F9/40;G09F15/00;(IPC1-7):G09F15/00;E01F9/02	主分类号	E01F9/00
代理机构		代理人
主权项
地址

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