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公开(公告)号：US3283195A
公开(公告)日：1966-11-01
申请号：US25583163
申请日：1963-02-04
Applicant: PHILIPS CORP
Inventor： FREDERICK HALL RAYMOND , JOHN STOCKER BRIAN
CPC classification number: H01J17/00 , H01J17/066 , H01J2893/0064 , H01J2893/0066 , Y10S428/938 , Y10T428/12889
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