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公开(公告)号：US3171099A
公开(公告)日：1965-02-23
申请号：US72568658
申请日：1958-04-01
Applicant: ASS ELECT IND MANCHESTER LTD
Inventor： MITFORD FOULKES RONALD
IPC: G06F3/06
CPC classification number: G06F3/0601 , G06F2003/0691
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