GOST 31358-2019

State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means, measuring specific heat of solids at temperature from 90 to 273,15 K

Iron ores, concentrates, agglomerates and pellets. Atomic absorption method for determination of total manganese calculated as protoxide

Hexalobular socket countersunk head tapping screws

Common test methods for insulating and sheathing materials of electric and optical cables. Part 1-3. General application methods. Methods for determining the density. Water absorption tests. Shrinkage test

Four-arm handles. Construction

Kinescopes for black-and-white television. Method of contrast measurement