GOST 21234-2024

Textiles. Quantitative chemical analysis. Part 10. Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane)

State system for ensuring the uniformity of measurements. Mountings for verification of measuring instruments expenditure and volume of water calibrating with the transformations (the meters ) of expenditure and (or) volume of water. General metrological and technical requirements

Environmental protection. General requirements for setting standards

Windows from wood and aluminium. Specifications

Forms for reinforced concrete pressure pipes made by vibrohydropressed method. Specifications

Water flow measurement in hydromelioration and water economic systems. Terms and definitions