Road traffic signalling system,申请号GB19640021141-传众专利搜索

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发明名称	Road traffic signalling system
摘要
申请公布号	GB1121502(A)	申请公布日期	1968.07.31
申请号	GB19640021141	申请日期	1964.05.22
申请人	JOHN STRADLING THOMAS	发明人
分类号	G08G1/0967	主分类号	G08G1/0967
代理机构		代理人
主权项
地址

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