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Space Engineering - Thermal design handbook - Part 14: Cryogenic Cooling. Original standard UNE-CEN CLC TR 17603-31-14-2021 in PDF full version. Additional info + preview on request

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Space Engineering - Thermal design handbook - Part 15: Existing Satellites. Original standard UNE-CEN CLC TR 17603-31-15-2021 in PDF full version. Additional info + preview on request

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Space Engineering - Thermal design handbook - Part 16: Thermal Protection System. Original standard UNE-CEN CLC TR 17603-31-16-2021 in PDF full version. Additional info + preview on request

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Hyperloop systems - Standards Inventory and Roadmap. Original standard UNE-CEN CLC TR 17912-2023 in PDF full version. Additional info + preview on request

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Gas Appliances and Fittings - Guidelines for the implementation of Essential Requirements of Gas Appliances Regulation 2016/426/EU in European standards. Original standard UNE-CEN Guide 18-2021 in PDF full version. Additional info + preview on request

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Additive manufacturing - Feedstock materials - Part 1: Guidelines for the selection of measurement methods for characterization of powder flow properties (ISO/ASTM TR 52913-1:2025). Original standard UNE-CEN ISO ASTM TR 52913-1-2025 in PDF full version. Additional info + preview on request

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