Improvements in direct current networks protecting devices,申请号GB19410003756-传众专利搜索

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发明名称	Improvements in direct current networks protecting devices
摘要
申请公布号	GB574974(A)	申请公布日期	1946.01.29
申请号	GB19410003756	申请日期	1941.03.19
申请人	COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ	发明人
分类号	H02H3/44	主分类号	H02H3/44
代理机构		代理人
主权项
地址

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