Electronic track circuit,申请号US19580777981-传众专利搜索

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发明名称	Electronic track circuit
摘要
申请公布号	US2993116(A)	申请公布日期	1961.07.18
申请号	US19580777981	申请日期	1958.12.03
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人	UTT ORVAL L.
分类号	B61L1/16;B61L1/18	主分类号	B61L1/16
代理机构		代理人
主权项
地址

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