Apparatus for the control of electric switch locks in centralized traffic control systems for railroads,申请号US19490102074-传众专利搜索

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发明名称	Apparatus for the control of electric switch locks in centralized traffic control systems for railroads
摘要
申请公布号	US2662972(A)	申请公布日期	1953.12.15
申请号	US19490102074	申请日期	1949.06.29
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人	TROUT GEORGE L.
分类号	B61L7/08	主分类号	B61L7/08
代理机构		代理人
主权项
地址

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