Coal tar pitch. Method for determination of mass fraction of substances insoluble in toluene
Document status: Replaced by GOST 7847-2020
State system for ensuring the uniformity of measurements. State verification schedule for means measuring the airborne sound pressure in the frequency range 2 Hz -100 kHz
Document status: Active
State system for ensuring the uniformity of measurements. Direct measurements with multiple observations. Methods of processing the results of observations. Basic principles
Document status: Withdrawn
Railway plates for R18, R24, and R33 rails types. Specifications
Document status: Active
