Control system for train circuits,申请号US19370129824-传众专利搜索

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发明名称	Control system for train circuits
摘要
申请公布号	US2163400(A)	申请公布日期	1939.06.20
申请号	US19370129824	申请日期	1937.03.09
申请人	THE WESTINGHOUSE AIR BRAKE COMPANY	发明人	JR. JOHN W. LOGAN,
分类号	B60L15/32	主分类号	B60L15/32
代理机构		代理人
主权项
地址

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