UNE-EN IEC 60867:2022 Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons (Endorsed by Asociación Española de Normalización in January of 2023.)
2023UNE-EN IEC 60867:2022 Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons (Endorsed by Asociación Española de Normalización in January of 2023.)