bn:00481093n
Noun Named Entity
Categories: 1978 establishments in the United Kingdom, British inventions, 1992 disestablishments in the United Kingdom, 1978 in British television, Broadcast engineering
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ETP-1  Electric Test Pattern One
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ETP-1 was a test card designed and used by the Independent Broadcasting Authority. Wikipedia
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ETP-1 was a test card designed and used by the Independent Broadcasting Authority. Wikipedia
Wikipedia
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Wikidata
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