Russian standards PDF
Short link steel chains for lifting purposes. Safety. Part 4. Chain slings of grade 8
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Rotating electrical machines. Part 18-1. Functional evaluation of insulation systems. General guidelines
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Rotating electrical machines. Part 18-32. Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation by electrical endurance
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Rotating electrical machines. Part 18-34. Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation of thermomechanical endurance of insulation systems
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Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)
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International electrotechnical vocabulary. Part 445. Time relays
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