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公开(公告)号:US3221198A
公开(公告)日:1965-11-30
申请号:US22633762
申请日:1962-09-26
Applicant: PHILIPS CORP
Inventor: DER WAL JOHANNES VAN , ALPHEN PIETER MARTINUS VAN
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公开(公告)号:US2922336A
公开(公告)日:1960-01-26
申请号:US45242754
申请日:1954-08-26
Applicant: PHILIPS CORP
Inventor: ALPHEN PIETER MARTINUS VAN , DER WAL JOHANNES VAN
CPC classification number: B68C3/00 , G02B27/023 , H01J31/50 , H01J2231/50036
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公开(公告)号:US2874300A
公开(公告)日:1959-02-17
申请号:US44257654
申请日:1954-07-12
Applicant: PHILIPS CORP
IPC: G03B42/02
CPC classification number: G03B42/021
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