Improvements in or relating to automatic traffic control apparatus, advertising appliances and other visual signalling devices,申请号GB19290037130-传众专利搜索

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发明名称	Improvements in or relating to automatic traffic control apparatus, advertising appliances and other visual signalling devices
摘要
申请公布号	GB344495(A)	申请公布日期	1931.03.04
申请号	GB19290037130	申请日期	1929.12.04
申请人	JOHN ROGER HAYNES	发明人
分类号	G08G1/095	主分类号	G08G1/095
代理机构		代理人
主权项
地址

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