Control apparatus for electric locks for railway track switches,申请号US19500200483-传众专利搜索

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发明名称	Control apparatus for electric locks for railway track switches
摘要
申请公布号	US2697779(A)	申请公布日期	1954.12.21
申请号	US19500200483	申请日期	1950.12.12
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人	BROWN HAROLD J.
分类号	B61L5/10	主分类号	B61L5/10
代理机构		代理人
主权项
地址

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