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Industrial communication networks. Profiles - Functional safety fieldbuses. Additional specifications for CPF8. Original standard UNE-EN IEC 61784-3-8-2021 in PDF full version. Additional info + preview on request

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Superconductivity - Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films. Original standard UNE-EN IEC 61788-17-2021 in PDF full version. Additional info + preview on request

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Superconductivity - Normal state resistance and critical current measurement. High-Tc Josephson junction. Original standard UNE-EN IEC 61788-22-2-2021 in PDF full version. Additional info + preview on request

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Adjustable speed electrical power drive systems - General requirements. Rating specifications for low voltage adjustable speed DC power drive systems. Original standard UNE-EN IEC 61800-1-2021 in PDF full version. Additional info + preview on request

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Adjustable speed electrical power drive system - General requirements. Rating specifications for adjustable speed AC power drive systems. Original standard UNE-EN IEC 61800-2-2021 in PDF full version. Additional info + preview on request

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Ultrasonics. Transducers. Definitions and measurement methods regarding focusing for the transmitted fields. Original standard UNE-EN IEC 61828-2021 in PDF full version. Additional info + preview on request

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