Transformer and transformer system,申请号US19250038124-传众专利搜索

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发明名称	Transformer and transformer system
摘要
申请公布号	US1809839(A)	申请公布日期	1931.06.16
申请号	US19250038124	申请日期	1925.06.19
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	FIELD FRANK E.
分类号	H01F19/02	主分类号	H01F19/02
代理机构		代理人
主权项
地址

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