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公开(公告)号：US3475637A
公开(公告)日：1969-10-28
申请号：US3475637D
申请日：1967-10-06
Applicant: US NAVY
Inventor： CALDWELL JOHN H , KLEE CHARLES W , HILLER ALEXANDER J , HANLEY THURE E , MATHES ROBERT H
CPC classification number: H01J29/462
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