DIRECT COUPLED AMPLIFIER WITH NEGATIVE FEEDBACK,申请号USD3487321-传众专利搜索

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发明名称	DIRECT COUPLED AMPLIFIER WITH NEGATIVE FEEDBACK
摘要
申请公布号	US3487321(A)	申请公布日期	1969.12.30
申请号	USD3487321	申请日期	1965.07.14
申请人	SPRAGUE ELECTRIC CO.	发明人	WILLIAM J. TRAVIS
分类号	H03F1/34;(IPC1-7):H03F3/68	主分类号	H03F1/34
代理机构		代理人
主权项
地址

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