POWER SUPPLY FOR ELECTRICAL DEVICES AND INSTALLATIONS (ELECTRICAL ENERGY)
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BTPOWER SUPPLY INSTALLATIONS + SUBSTATIONS (ELECTRICAL ENERGY DISTRIBUTION)
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UDC621.311.6
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Descriptor GERSTROMVERSORGUNG FÜR ELEKTRISCHE GERÄTE UND EINRICHTUNGEN (ELEKTRISCHE ENERGIE)
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Descriptor ENGPOWER SUPPLY FOR ELECTRICAL DEVICES AND INSTALLATIONS (ELECTRICAL ENERGY)
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Descriptor FREDISTRIBUTION DE COURANT POUR APPAREILS ET INSTALLATIONS ÉLECTRIQUES (ÉNERGIE ÉLECTRIQUE)
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NTAUXILIARY POWER SUPPLIES (ELECTRICAL ENERGY)
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NTPOWER SUPPLIES + POWER PACKS (ELECTRICAL ENERGY SUPPLY)