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1.Ferromagnetic screening caps and demagnetizing coils for color picture tubes having rectangular display screens 失效
Title translation: 具有矩形显示屏的彩色显像管的铁磁屏蔽帽和去磁线圈公开(公告)号:US3340417A
公开(公告)日:1967-09-05
申请号:US51931966
申请日:1966-01-07
Applicant: PHILIPS CORP
IPC: H01J29/00
CPC classification number: H01J29/003 , H01J2229/003 , H01J2229/0053
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2.Color television tube with shadow mask provided with electron shielding plate coated with heat radiating material 失效
Title translation: 带荫罩的彩色电视机带有涂有散热材料的电子屏蔽板公开(公告)号:US3349272A
公开(公告)日:1967-10-24
申请号:US59424266
申请日:1966-11-14
Applicant: PHILIPS CORP
CPC classification number: H01J29/073 , H01J29/06
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