State system for ensuring the uniformity of measurements. State verification schedule for means measuring the propagation velocities of longitudinal, shear and surface ultrasonic waves in solids
Occupational safety standards system. Means for individual protection of breathing organs. Methods of testing all-service canisters protection time against noxious vaporous contaminants
Brewing products. Methods for determining the volume fraction of ethyl alcohol, the mass fraction of the actual extract and calculation of the initial wort extract
