Direct current amplifier,申请号US19500149156-传众专利搜索

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发明名称	Direct current amplifier
摘要
申请公布号	US2631198(A)	申请公布日期	1953.03.10
申请号	US19500149156	申请日期	1950.03.11
申请人	CONSOLIDATED ELECTRIC COMPANY	发明人	PARISOE WILBERT
分类号	H03F3/36	主分类号	H03F3/36
代理机构		代理人
主权项
地址

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