Variable message traffic signalling trailer,申请号US19910714259-传众专利搜索

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发明名称	Variable message traffic signalling trailer
摘要
申请公布号	US5257020(C1)	申请公布日期	2002.08.13
申请号	US19910714259	申请日期	1991.06.12
申请人	FIBER-OPTICS SALES CO., INC.	发明人	MORSE, ROBERT, H.
分类号	B60Q7/02;E01F9/012;(IPC1-7):B60Q7/00	主分类号	B60Q7/02
代理机构		代理人
主权项
地址

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