ISO/IEC 80079-20-1
Material characteristics for gas and vapour classification (formerly IEC 60079-20-1)
Bu standartni hali hech kim muhokama qilmagan. Birinchi muhokamani siz boshlang.
Material characteristics for gas and vapour classification (formerly IEC 60079-20-1)
Bu standartni hali hech kim muhokama qilmagan. Birinchi muhokamani siz boshlang.