Traffic signal lights,申请号US19540455817-传众专利搜索

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法人/股东/高管

发明名称	Traffic signal lights
摘要
申请公布号	US2784388(A)	申请公布日期	1957.03.05
申请号	US19540455817	申请日期	1954.09.14
申请人	KING WILLIAM B;FRENCH EARL W	发明人	KING WILLIAM B.;FRENCH EARL W.
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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