31J/416/CDV - IEC 60079-13 ED3 Explosive atmospheres – Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v" Oblast: Elektrotechnika Komise : IEC/SC 31J (Classification of hazardous areas and installation requirements) Open: 09.06.2026 to 07.07.2026 Zobraz více Zobraz méně