High gain amplifier,申请号US19440526565-传众专利搜索

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发明名称	High gain amplifier
摘要
申请公布号	US2434223(A)	申请公布日期	1948.01.06
申请号	US19440526565	申请日期	1944.03.15
申请人	AMERICAN CYANAMID COMPANY	发明人	PARK ROBERT HIRAM
分类号	H01J40/16	主分类号	H01J40/16
代理机构		代理人
主权项
地址

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