Perfectionnements aux appareils de régulation du trafic routier ou de signalisation,申请号FRD715034-传众专利搜索

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发明名称	Perfectionnements aux appareils de régulation du trafic routier ou de signalisation
摘要
申请公布号	FR715034(A)	申请公布日期	1931.11.24
申请号	FRD715034	申请日期	1931.04.09
申请人	REVO ELECTRIC COMPANY LIMITED	发明人	REEVES FREDERICK HAROLD;CRAWFORD ARTHUR
分类号	G08G1/085	主分类号	G08G1/085
代理机构		代理人
主权项
地址

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