Устройство для блокировки дифференциальной защиты трансформаторов при неустановившемся режиме,申请号SU19470001890-传众专利搜索

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发明名称	Устройство для блокировки дифференциальной защиты трансформаторов при неустановившемся режиме
摘要
申请公布号	SU73142(A1)	申请公布日期	1947.11.30
申请号	SU19470001890	申请日期	1947.05.27
申请人	BRESLER A.M.	发明人	BRESLER A.M.
分类号	H02H7/04;H02H3/28;H02H11/00	主分类号	H02H7/04
代理机构		代理人
主权项
地址

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