Traffic signal and lighting system,申请号US19360077975-传众专利搜索

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发明名称	Traffic signal and lighting system
摘要
申请公布号	US2136191(A)	申请公布日期	1938.11.08
申请号	US19360077975	申请日期	1936.05.05
申请人	JENNINGS LEO J	发明人	JENNINGS LEO J.
分类号	G08G1/07	主分类号	G08G1/07
代理机构		代理人
主权项
地址

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