Electromagnetic compatibility of technical equipment. Radio communication equipment. Part 22. Specific conditions for ground based VHF aeronautical mobile and fixed radio equipment
Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Part 2. Cereals, pulses and milled cereal products
State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 5. Electronic tacheometers
State system of ensuring the unity of measurements. Standard time and frequency signals radiated by specialized radio stations of the state time service. Main parameters
