-
公开(公告)号：US2918659A
公开(公告)日：1959-12-22
申请号：US56822956
申请日：1956-02-28
Applicant: BURROUGHS CORP
Inventor： GADDIS ARDEN H , HOBERG GEORGE G , WILLIAMS ROBERT J
IPC: G06K15/08
CPC classification number: G06K15/08
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
