Permeability-tuned intermediatefrequency transformer,申请号US19370176496-传众专利搜索

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发明名称	Permeability-tuned intermediatefrequency transformer
摘要
申请公布号	US2158255(A)	申请公布日期	1939.05.16
申请号	US19370176496	申请日期	1937.11.26
申请人	JOHNSON LABORATORIES, INC.	发明人	SCHAPER WILLIAM A.
分类号	H03H7/01	主分类号	H03H7/01
代理机构		代理人
主权项
地址

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