UNE-EN ISO 9100-3:2006
        Envases de vidrio. Bocas de tarros para cierres al vacío (twist-off). Parte 3: 38 mm regular (baja) (ISO 9100-3:2005)
        Glass containers - Vacuum lug finishes - Part 3: 38 regular (ISO 9100-3:2005)
        Récipients en verre - Bagues à crans pour bouchage sous vide - Partie 3: 38 regular  (ISO 9100-3:2005)