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Flanges and their joints Design rules for gasketed circular flange connections Part 2- Gasket parameters. Original standard UNE-CEN TR 1591-2-2021 IN in PDF full version. Additional info + preview on request

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Further guidance on the application of EN 13791-2019 and background to the provisions. Original standard UNE-CEN TR 17086-2021 IN in PDF full version. Additional info + preview on request

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Digital information interchange in the insurance industry - Transfer of electronic documents - Part 2- Implementation of EN 17419-1 in Open API 3.0 specification. Original standard UNE-CEN TR 17419-2-2023 in PDF full version. Additional info + preview on request

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Automotive fuels Information on aniline, N-methyl aniline, N-ethyl aniline, N,N di-methyl aniline and secondary-butyl acetate when used as blending components in unleaded petrol. Original standard UNE-CEN TR 17491-2020 IN in PDF full version. Additional info + preview on request

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Algae and algae products Food and feed applications- General overview of limits, procedures and analytical methods. Original standard UNE-CEN TR 17559-2023 IN in PDF full version. Additional info + preview on request

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Space engineering - Assessment of space worst case charging handbook. Original standard UNE-CEN TR 17603-20-06-2022 in PDF full version. Additional info + preview on request

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