Improvements in or relating to traffic control signals,申请号GB19330024843-传众专利搜索

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发明名称	Improvements in or relating to traffic control signals
摘要
申请公布号	GB403732(A)	申请公布日期	1934.01.01
申请号	GB19330024843	申请日期	1932.06.30
申请人	AUTOMATIC ELECTRIC COMPANY LIMITED;PERCY BAILEY RENSHAW	发明人
分类号	E01B9/22;G08G1/082	主分类号	E01B9/22
代理机构		代理人
主权项
地址

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