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Fibre optic interconnecting devices and passive components. Performance standard - Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category C. Controlled environment. Original standard UNE-EN 61753-121-2-2017 in PDF full version. Additional info + preview on request

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Adjustable speed electrical power drive systems - Ecodesign for power drive systems, motor starters, power electronics and their driven applications. Energy efficiency indicators for power drive systems and motor starters. Original standard UNE-EN 61800-9-2-2017 in PDF full version. Additional info + preview on request

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Surface mounted piezoelectric devices for frequency control and selection. Standard outlines and terminal lead connections - Metal enclosures. Original standard UNE-EN 61837-3-2015 in PDF full version. Additional info + preview on request

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Application integration at electric utilities - System interfaces for distribution management - Part 6: Interfaces for maintenance and construction (IEC 61968-6:2015) Intégration d'applications pour les services électriques. Original standard UNE-EN 61968-6-2015 in PDF full version. Additional info + preview on request

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Semiconductor devices. Micro-electromechanical devices - Terms and definitions. Original standard UNE-EN 62047-1-2016 in PDF full version. Additional info + preview on request

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Audio, video and related equipment. Determination of power consumption - Video recording equipment. Original standard UNE-EN 62087-4-2016 in PDF full version. Additional info + preview on request

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