Improvements in or relating to electric traction drives,申请号GB19470029117-传众专利搜索

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发明名称	Improvements in or relating to electric traction drives
摘要
申请公布号	GB642753(A)	申请公布日期	1950.09.13
申请号	GB19470029117	申请日期	1947.10.31
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;ROBERT LEDGER;ALFRED DENNIS BAILEY PLATT	发明人
分类号	B61C9/48	主分类号	B61C9/48
代理机构		代理人
主权项
地址

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