2022UNE-EN ISO 8655-2:2022 Piston-operated volumetric apparatus - Part 2: Pipettes (ISO 8655-2:2022) (Endorsed by Asociación Española de Normalización in July of 2022.)
2003UNE-EN ISO 8655-2:2003 Piston-operated volumetric apparatus - Part 2: Piston pipetter. (ISO 8655-2:2002)