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Electrical apparatus for explosive gas atmospheres. Part 5. Powder filling 'q'
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Ion-exchange filter materials for water coolant purification systems of nuclear power stations with BWR. General technical requirements
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Cables and wires for rolling stock of railway transport. General specifications
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Rotating electrical machines. Part 31. Selection of energy-efficient motors including variable speed applications. Application guide
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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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