State system for ensuring the uniformity of measurements. Optics and photonics. Interferometric measurement of optical elements and optical systems. Part 2. Measurement and evaluation techniques
Nature protection. Atmosphere. Norms and methods of measuring of carbon monoxide and hydrocarbons content in exhaust gases from motor vehicles with spark ignition engines used gas fuel
Occupational safety standards system. Tractors and agricultural machines. Method of determining and microclimate at the operator's seat during the cold season