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公开(公告)号:US3082342A
公开(公告)日:1963-03-19
申请号:US1059260
申请日:1960-02-24
Applicant: PHILIPS CORP
Inventor: GEORGES PIETRI
IPC: H01J43/08
CPC classification number: H01J43/08
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公开(公告)号:US2835835A
公开(公告)日:1958-05-20
申请号:US50902455
申请日:1955-05-17
Applicant: PHILIPS CORP
Inventor: ALBERT BOUTRY GEORGES , GEORGES PIETRI
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