GOST 17779-72

Steel hot-rolled channels

Optical materials. Methods of determination of birefringence

Industrial-process measurement, control and automation. Evaluation of system properties for the purpose of system assessment. Part 2. Assessment methodology

Electric vehicles and automobile vehicles with combined power plants. Categories by parameters of energy efficiency according to CO2 emissions

Fire equipment. Compressor units for filling with compressed air and oxygen of low-volume ballons of breathing apparatus for firemen. General technical reguirements. Test methods

Airfields. Day marking unpaved airfields