GOST 2.503-90

Thermal insulating products for engineering equipment of buildings and industrial installations. Methods for determination of the dimensions, squareness and linearity of preformed pipe insulation

Electromagnetic compatibility of technical equipment. Lifts, escalators and moving walks. Emission

Silk and semi-silk fabrics and piece-goods. Norms of colour resistance and methods for its determination

Plastics. Determination of gas-transmission rate. Part 2. Equal-pressure method

Square-head cup-point set screws. Product grades a and b. Construction and dimensions

State system for ensuring the uniformity of measurements. Procedures of measurement of mass fraction of the parent substance of reagents and superpure substances by titrimetric methods. General requirements