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Electric light sources. Methods of measuring spectral and colour characteristics

Document status: Active

Rotating electrical machines. Part 2. Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for fraction vehicles). Measurement of losses by the calorimetric method

Document status: Active

Lead-acid storage starter batteries 12 V for motor-tractors. Types, basic parameters and dimensions

Document status: Active

Circuit-breakers for overcurrent protection for household and similar installations. Part 2. Circuit-breakers for a.c. and d.c. operation

Document status: Cancelled

Epoxide impregnated glass fabric foil-clad electrical insulating material of rated combustibility for printed plates. Specifications

Document status: Active

Refrigerating systems and heat pumps. Safety and environmental requirements. Part 3. Installation site and personal protection

Document status: Replaced by GOST 34891.3-2022