CIRCUITS USING TWO-VALLEY SEMICONDUCTOR DEVICES,申请号USD3548339-传众专利搜索

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发明名称	CIRCUITS USING TWO-VALLEY SEMICONDUCTOR DEVICES
摘要
申请公布号	US3548339(A)	申请公布日期	1970.12.15
申请号	USD3548339	申请日期	1968.11.26
申请人	BELL TELEPHONE LAB. INC.	发明人	MARK R. BARBER;REED E. FISHER
分类号	H03K3/02;(IPC1-7):H03B7/06	主分类号	H03K3/02
代理机构		代理人
主权项
地址

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