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State system for ensuring the uniformity of measurements. A.C. balanced bridges. Verification methods
Document status: Active
Low-voltage switchgear and controlgear. Part 4-2. Contactors and motor-starters. AC semiconductor motor controllers and starters for AC electric motors
Document status: Replaced by GOST IEC 60947-4-2-2023
Diamond and elbor tools. Designation of forms and dimensions
Document status: Active