-
公开(公告)号：US2770459A
公开(公告)日：1956-11-13
申请号：US37811253
申请日：1953-09-02
Applicant: IBM
Inventor： WILSON LAWRENCE A , KAMP BERNARD V , LUNING GEORGE A
IPC: G06K13/067
CPC classification number: G06K13/067
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
