Improvements in or relating to constant voltage and polarity electric current generating equipment,申请号GB19550029906-传众专利搜索

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发明名称	Improvements in or relating to constant voltage and polarity electric current generating equipment
摘要
申请公布号	GB787529(A)	申请公布日期	1957.12.11
申请号	GB19550029906	申请日期	1955.10.19
申请人	L'ECLAIRAGE DES VEHICULES SUR RAIL	发明人
分类号	H02J7/22	主分类号	H02J7/22
代理机构		代理人
主权项
地址

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