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Auxiliaries for lamps. A.C. supplied electronic ballasts for tubular fluorescent lamps. General and safety requirements

Document status: Active

Electrical insulation systems of electrical equipment. Evaluation and classification

Document status: Active

Electroinsulating board for transformers and apparatus charged with oil. Specifications

Document status: Active

Refrigerating systems and heat pumps. Safety and environmental requirements. Part 4. Operation, maintenance, repair and recovery

Document status: Replaced by GOST 34891.4-2022

Standard system of vibration. Electric rotative machines of mass up to 0,5 kg. Vibration limits

Document status: Active

Rotating electrical machinery. Brush holders and brackets. Serrations on fixing surface. Shapes and dimensions

Document status: Active