Phase-comparison distance relay,申请号US19530364453-传众专利搜索

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发明名称	Phase-comparison distance relay
摘要
申请公布号	US2804578(A)	申请公布日期	1957.08.27
申请号	US19530364453	申请日期	1953.06.26
申请人	RESEARCH CORPORATION	发明人	BERGSETH FREDERICK R.
分类号	H02H3/38	主分类号	H02H3/38
代理机构		代理人
主权项
地址

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