Railway traffic control systems,申请号US19530340196-传众专利搜索

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发明名称	Railway traffic control systems
摘要
申请公布号	US2851590(A)	申请公布日期	1958.09.09
申请号	US19530340196	申请日期	1953.03.04
申请人	WESTINGHOUSE BRAKE AND SIGNAL COMPANY, LIMITED	发明人	VENNING CHARIES FRANCIS DICKSON;HAWKES JOHN SYDNEY
分类号	B61L19/06	主分类号	B61L19/06
代理机构		代理人
主权项
地址

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