Power supply means,申请号US19490074022-传众专利搜索

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发明名称	Power supply means
摘要
申请公布号	US2579313(A)	申请公布日期	1951.12.18
申请号	US19490074022	申请日期	1949.02.01
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人	GILSON ROBERT M.;HEDDING LINNIE K.
分类号	H02J7/12	主分类号	H02J7/12
代理机构		代理人
主权项
地址

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