Improvements in apparatus adapted to measure or compare sinusoidal functions, with particular reference to the actuation of protection devices for electrical distribution networks,申请号GB19450016651-传众专利搜索

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发明名称	Improvements in apparatus adapted to measure or compare sinusoidal functions, with particular reference to the actuation of protection devices for electrical distribution networks
摘要
申请公布号	GB631725(A)	申请公布日期	1949.11.09
申请号	GB19450016651	申请日期	1945.06.29
申请人	UNION D'ELECTRICITE	发明人
分类号	H02H3/30	主分类号	H02H3/30
代理机构		代理人
主权项
地址

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