An improved device for protecting three-phase motors against damages caused by failure of one phase or by heavily unbalanced loads,申请号GB19470033032-传众专利搜索

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发明名称	An improved device for protecting three-phase motors against damages caused by failure of one phase or by heavily unbalanced loads
摘要
申请公布号	GB643522(A)	申请公布日期	1950.09.20
申请号	GB19470033032	申请日期	1947.12.15
申请人	LUDWIG BORNSTEIN	发明人
分类号	H01H71/42;H02H3/34	主分类号	H01H71/42
代理机构		代理人
主权项
地址

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