Apparatus for protection of polyphase electrical systems,申请号US19260133276-传众专利搜索

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发明名称	Apparatus for protection of polyphase electrical systems
摘要
申请公布号	US1823733(A)	申请公布日期	1931.09.15
申请号	US19260133276	申请日期	1926.09.02
申请人	AKTIENGESELLSCHAFT BROWN BOVERI & COMPAGNIE	发明人	FREY ERNST HERMANN
分类号	H02H3/08	主分类号	H02H3/08
代理机构		代理人
主权项
地址

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