GOST 397-79

Quality rating system. Leather. Quality characteristics nomenclature

State system for ensuring the uniformity of measurements. The verification of testing equipment. General principles

Water flow measurement in hydromelioration and water economics systems. Methods of water flow measurement. Classification

Round threading diameter 40 mm for gas-mask with the gauges main dimensions and the tolerances

Evaluation and routine testing in medical imaging departments. Part 3-1. Imaging performance of X-ray equipment for radiographic and radioscopic systems. Acceptance tests

Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 2. Measuring-system characteristics and statistics for processing of data