-
1.Electronic information storage systems and discharge tubes therefor 失效
Title translation: 电子信息存储系统及其放电管公开(公告)号:US2777060A
公开(公告)日:1957-01-08
申请号:US23481151
申请日:1951-07-02
Applicant: NAT RES DEV
Inventor: WATERS PAUL L
公开(公告)号:US2777060A
公开(公告)日:1957-01-08
申请号:US23481151
申请日:1951-07-02
Applicant: NAT RES DEV
Inventor: WATERS PAUL L