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Milk and milk-containing products. Determination of mass part of protein by Kjeldahl method
Document status: Active
The method of research of digital levels. Field research of the measuring system "Digital (electronic) level – levelling rods with a code scale"
Document status: Active
United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic overfrequency protection devices. Norms and requirements
Document status: Replaced by GOST R 59373-2025
