Impedance transformation means,申请号US19390304573-传众专利搜索

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发明名称	Impedance transformation means
摘要
申请公布号	US2249963(A)	申请公布日期	1941.07.22
申请号	US19390304573	申请日期	1939.11.15
申请人	RADIO CORPORATION	发明人	LINDENBLAD NILS E.
分类号	H01P5/02	主分类号	H01P5/02
代理机构		代理人
主权项
地址

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