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Maritime navigation and radiocommunication equipment and systems. Integrated navigation systems (INS) - Modular structure for INS. Operational and performance requirements, methods of testing and required test results. Original standard UNE-EN IEC 61924-2-2021 in PDF full version. Additional info + preview on request
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Power installations exceeding 1 kV AC and 1,5 kV DC - Part 1- AC. Original standard UNE-EN IEC 61936-1-2021 (2022) in PDF full version. Additional info + preview on request
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Integrated circuits. Measurement of electromagnetic emissions - Measurement of conducted emissions. 1 Ω/150 Ω direct coupling method. Original standard UNE-EN IEC 61967-4-2021 in PDF full version. Additional info + preview on request
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Application integration at electric utilities. System interfaces for distribution management - Common distribution power system model profiles. Original standard UNE-EN IEC 61968-13-2021 in PDF full version. Additional info + preview on request
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Application integration at electric utilities. System interfaces for distribution management - Interface for network operations. Original standard UNE-EN IEC 61968-3-2021 in PDF full version. Additional info + preview on request
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Uninterruptible power systems (UPS) - Method of specifying the performance and test requirements. Original standard UNE-EN IEC 62040-3-2021 in PDF full version. Additional info + preview on request
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