Improved ultra-high frequency amplifier,申请号US19540444844-传众专利搜索

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发明名称	Improved ultra-high frequency amplifier
摘要
申请公布号	US2801299(A)	申请公布日期	1957.07.30
申请号	US19540444844	申请日期	1954.07.21
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	KNOL KORNELIS SWIER;DAVIDSE JAN
分类号	H03F1/16	主分类号	H03F1/16
代理机构		代理人
主权项
地址

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