using tubes permitting selection of individual elements forming in combination a character

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Industry

CPC
G09G1/24

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Parent Industries

GPHYSICS G09Cryptography, education, displays G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION G09G1/00Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details

Current Industry

G09G1/24using tubes permitting selection of individual elements forming in combination a character

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