UNE-EN IEC 60667-1:2020 Vulcanized fibre for electrical purposes - Part 1: Definitions and general requirements (Endorsed by Asociación Española de Normalización in July of 2020.)
2020UNE-EN IEC 60667-1:2020 Vulcanized fibre for electrical purposes - Part 1: Definitions and general requirements (Endorsed by Asociación Española de Normalización in July of 2020.)