Case T-30/20: Judgment of the General Court of 9 December 2020 — Promed v EUIPO — Centrumelektroniki (Promed) (EU trade mark — Invalidity proceedings — EU word mark Promed — Absolute ground for refusal — No distinctive character — Article 7(1)(b) of Regulation (EC) No 40/94 (now Article 7(1)(b) of Regulation (EU) 2017/1001))