Electronic circuit
    17.
    发明授权
    Electronic circuit 失效
    电子电路

    公开(公告)号:US2796521A

    公开(公告)日:1957-06-18

    申请号:US42599354

    申请日:1954-04-27

    Applicant: IBM

    Inventor: LENTZ JOHN J

    CPC classification number: G11C11/23

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