Taxi dispatch board,申请号US19480045762-传众专利搜索

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发明名称	Taxi dispatch board
摘要
申请公布号	US2536290(A)	申请公布日期	1951.01.02
申请号	US19480045762	申请日期	1948.08.23
申请人	JONES HILBERT A	发明人	JONES HILBERT A.
分类号	G09B29/10;G09F7/00	主分类号	G09B29/10
代理机构		代理人
主权项
地址

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