GOST R 57443-2017

System of standards in nature protection and improving utilization of nature resources. General basic rules

Blacksmith`s hand and hammer tools. Fitting tools. Design and dimensions

Welding production qualification system. Part 5. Welding equipment qualification. Rules

Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)

State system for ensuring the uniformity of measurements. National standard. Standard reference data. Materials for standard LTEC. Graphite GIP-4. Linear temperature expansion coefficient for the temperature range from 20 °C to 2500 °C

Electrical transducers. Analog inputs to protective relays from electronic voltage and current transducers