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公开(公告)号：US3247440A
公开(公告)日：1966-04-19
申请号：US44376765
申请日：1965-03-17
Applicant: GEN DYNAMICS CORP
Inventor： BROWER DAVID F , CONRAD RICHARD A
IPC: G05F7/00
CPC classification number: G05F7/00
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