Improvements in or connected with electric transformers,申请号GB19280037640-传众专利搜索

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发明名称	Improvements in or connected with electric transformers
摘要
申请公布号	GB302923(A)	申请公布日期	1930.03.13
申请号	GB19280037640	申请日期	1928.12.20
申请人	EDUARD HOFFMANN	发明人
分类号	H01F29/10;H01F29/12	主分类号	H01F29/10
代理机构		代理人
主权项
地址

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