Traffic signal controller,申请号US19400325137-传众专利搜索

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发明名称	Traffic signal controller
摘要
申请公布号	US2236299(A)	申请公布日期	1941.03.25
申请号	US19400325137	申请日期	1940.03.21
申请人	GENERAL ELECTRIC COMPANY	发明人	REID RALPH A.
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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