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WTeletext Holidays
WTelidon
WWorld System Teletext
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WFile:BBC Ceefax logo.svg
WFile:Ceefax.png
WFile:Digital teletext (NRK).jpg
WFile:Electra Teletext sample.jpg
WFile:ExtraVision.jpg
WFile:Itn oracle 1989a.jpg
WFile:Micronet800logo.gif
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WFile:Oracle teletext logo.svg
WFile:Teletext of tvcenter.jpg