Traffic regulating system and mechanism therefor,申请号US19320590119-传众专利搜索

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发明名称	Traffic regulating system and mechanism therefor
摘要
申请公布号	US2007248(A)	申请公布日期	1935.07.09
申请号	US19320590119	申请日期	1932.02.01
申请人	JAMES WILLIAM L	发明人	JAMES WILLIAM L.
分类号	G08G1/08	主分类号	G08G1/08
代理机构		代理人
主权项
地址

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