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Single-seated, double seated and cage control valves. Basic parameters
Document status: Active
Low-voltage switchgear and controlgear. Part 4-3. Contactors and motor-starters. AC semiconductor controllers and contactors for non-motor loads
Document status: Replaced by GOST IEC 60947-4-3-2024
Tin and lead babbits. General requirements for methods of analysis
Document status: Active
State system for ensuring the uniformity of measurements. Mechanical motion quantities measuring means for traction rolling stock. Verification procedure
Document status: Active