Case T-839/19: Order of the General Court of 15 July 2020 — Koopman International v EUIPO — Tinnus Enterprises and Mystic Products (fluid distribution equipment) (Action for annulment — Community design — Invalidity proceedings — Registered Community design representing fluid distribution equipment — Suspension of the proceedings before the Board of Appeal — Act not open to challenge — Preparatory act — Inadmissibility)