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Insulating mica materials for commutator separators. Specifications
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Photovoltaic systems. Stand-alone pumping systems for water supply. Performance determination. Selection and verification
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Pipes steel electrotechnical for the superheavy modes
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Self-ballasted LED-lamps for general lighting services by voltage over 50 V. Operating requirements
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Polyethylene insulated and plastic sheathed block-signalling cables. Specifications
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