GOST 8988-77

Noise emitted by machinery. Determination of emission sound pressure levels at the work station and at other specified positions using sound intensity. Engineering method

Uniform provisions concerning the type approval of head restraints (headrests), whether or not incorporated in vehicles

Fluorite concentrate for welding materials. Specifications

Information technology. Biometrics. Biometrics used with mobile devices

State system for ensuring the uniformity of measurements. Convex spherical mirrors. Measurement technique of curvature radius and local departures of surfaces forms from sphericity by holographic shear interferometry

Pipeline valves. Leakage rates of valves