Emissions of polluting substances into the atmosphere. Method for calculating the amount of pollutant emissions generated by motor vehicle flows on roads of various categories
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 5. Equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
Tractors and machinery for agriculture and forestry. Technical means for ensuring safety. Part 7. Combine harvesters, forage harvesters and cotton harvesters