UNE-CLC/TR 60079-32-1:2018 Explosive atmospheres - Part 32-1: Electrostatic hazards, guidance (Endorsed by Asociación Española de Normalización in March of 2019.)
2019UNE-CLC/TR 60079-32-1:2018 Explosive atmospheres - Part 32-1: Electrostatic hazards, guidance (Endorsed by Asociación Española de Normalización in March of 2019.)