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公开(公告)号：US3463960A
公开(公告)日：1969-08-26
申请号：US3463960D
申请日：1968-01-03
Applicant: US AIR FORCE
Inventor： GEBEL RADAMES K H
CPC classification number: H01J31/50 , H01J2231/50015 , H01J2231/50063 , H01J2231/5056
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