Stell structures of power transmission line supports and outdoor switchgears of substations with voltage up to 35kV and higher. Technical specification
State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Standard samples of content and properties of substances and materials. Basic provisions. Replaces O’z DSt 8.004:99, O’z DSt 8.015-94, O’z RH 51-028:2000, O’z RH 51-042:2001