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Priority to JP9028584UpriorityCriticalpatent/JPS617181U/ja
Publication of JPS617181UpublicationCriticalpatent/JPS617181U/ja
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Publication of JPH0352068Y2publicationCriticalpatent/JPH0352068Y2/ja
Apparatus for providing an indication that a color represented by a Y, R-Y, B-Y color television signal is validly reproducible on an RGB color display device