Improvements in and relating to locomotive power systems for supplying direct current traction motors from a single phase alternating current source,申请号GB19500030778-传众专利搜索

发明名称	Improvements in and relating to locomotive power systems for supplying direct current traction motors from a single phase alternating current source
摘要
申请公布号	GB679438(A)	申请公布日期	1952.09.17
申请号	GB19500030778	申请日期	1950.12.18
申请人	THE BRITISH THOMSON - HOUSTON COMPANY LIMITED	发明人
分类号	H02M7/04	主分类号	H02M7/04
代理机构		代理人
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