Traffic signal system for non-stop networks,申请号US19540411912-传众专利搜索

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发明名称	Traffic signal system for non-stop networks
摘要
申请公布号	US2926332(A)	申请公布日期	1960.02.23
申请号	US19540411912	申请日期	1954.02.23
申请人	MASTEN JOHN K	发明人	MASTEN JOHN K.
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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