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State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics
Document status: Active
System of standards on information, librarianship and publishing. Journals, collections, information editions. Presentation of publications
Document status: Withdrawn
Hydroactive bentonite profile waterstops. General requirements and instructions for use
Document status: Active
Melted welding fluxes. Method of sulphur determination
Document status: Replaced by GOST 22974.12-96