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公开(公告)号:US3197667A
公开(公告)日:1965-07-27
申请号:US5922960
申请日:1960-09-29
Applicant: PHILIPS CORP
CPC classification number: H01J1/94 , H01J29/485
公开(公告)号:US3197667A
公开(公告)日:1965-07-27
申请号:US5922960
申请日:1960-09-29
Applicant: PHILIPS CORP
CPC classification number: H01J1/94 , H01J29/485