UNE-EN 62877-1:2016/AC:2017-05:2017 Electrolyte and water for vented lead acid accumulators - Part 1: Requirements for electrolyte (Endorsed by Asociación Española de Normalización in July of 2017.)
2017UNE-EN 62877-1:2016/AC:2017-05:2017 Electrolyte and water for vented lead acid accumulators - Part 1: Requirements for electrolyte (Endorsed by Asociación Española de Normalización in July of 2017.)
2016UNE-EN 62877-1:2016 Electrolyte and water for vented Lead Acid accumulators - Part 1: Requirements for electrolyte (Endorsed by AENOR in July of 2016.)