UNE-ETS 300073 Ed1:2022 Videotex presentation layer data syntax;Geometric Display (CEPT Recommendation T/TE 06-02, Edinburgh 1988) (Endorsed by Asociación Española de Normalización in February of 2022.)
2022UNE-ETS 300073 Ed1:2022 Videotex presentation layer data syntax;Geometric Display (CEPT Recommendation T/TE 06-02, Edinburgh 1988) (Endorsed by Asociación Española de Normalización in February of 2022.)