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Basic norms of interchangeability. Screw thread. Terms and definitions

Document status: Active

Safety of power transformers, power supplies, reactors and similar products. Part 2-8. Particular requirements and tests for transformers and power supply units for bells and chimes

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Services. Repair and maintenance of refrigerating equipment. Specifications

Document status: Cancelled

State system for ensuring the uniformity of measurements. Laboratory conductometers of liquid. Verification procedure

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Automobile roads of general use. Bridge constructions. Design of metal corrugated structures

Document status: Active

Channel switching and message switching in telegraph communication. Terms and definitions

Document status: Active