Adjustable transformer coil,申请号US19400369057-传众专利搜索

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发明名称	Adjustable transformer coil
摘要
申请公布号	US2283037(A)	申请公布日期	1942.05.12
申请号	US19400369057	申请日期	1940.12.07
申请人	THE LIONEL CORPORATION	发明人	BONANNO JOSEPH L.
分类号	H01F29/06	主分类号	H01F29/06
代理机构		代理人
主权项
地址

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