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发明名称
CIRCUIT ARRANGEMENT FOR ADJUSTING THE BACKGROUND BRIGHTNESS IN TELEVISION REPRODUCING DEVICES
摘要
申请公布号
CA671415(A)
申请公布日期
1963.10.01
申请号
CAD671415
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
TEUNIS POORTER;JOSUE J. P. VALETON
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