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公开(公告)号：US3249867A
公开(公告)日：1966-05-03
申请号：US10438361
申请日：1961-04-20
Applicant: GEN DYNAMICS CORP
Inventor： HATTERSLEY JR THOMAS E , KEEBLER JAMES W
IPC: G04F10/04
CPC classification number: G04F10/04
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