Invention Grant US3122996A heatwole 失效 Basic information Please log in to see more content Basic information Please log in to see more content heatwole Patent Title: heatwole Application No.: US3122996D Application Date: Publication No.: US3122996A Publication Date: 1964-03-03 Priority: US85852259 1959-12-09 Main IPC: G11C17/00 IPC: G11C17/00 Information query Espacenet IPC分类: G 物理 G11 信息存储 G11C 静态存储器(半导体存储器件入H01L,如H01L27/108-H01L27/11597) G11C17/00 只可一次编程的只读存储器;半永久存储器,例如:可手动更换的信息卡