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Brown coals, hard coals and anthracites. Classification by ranks and classes according to reflectance index of vitrinite
Document status: Active
Agricultural pedigree cattle methods of determination of pigs productivity parameters
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System of standards on information, librarianship and publishing. Representation of numerical data on properties of substances and materials in scientific-technical documents
Document status: Withdrawn
System of standards for implementing carbon offsettingp rojects. Methodology for carbon offsetting projects for estimating organic carbon reserves in soil on arable lands
Document status: Active
Plastics pipes and fittings. Determination of opacity
Document status: Active