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Windows. Classification of mechanical properties. Racking, torsion and operating forces. Original standard UNE-EN 13115-2021 in PDF full version. Additional info + preview on request

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Amendment 1 - LPG Equipment and accessories. Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings. Original standard UNE-EN 13175-2020 + A1-2021 in PDF full version. Additional info + preview on request

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Non-destructive testing. Leak testing. Pressure change method. Original standard UNE-EN 13184-2001 in PDF full version. Additional info + preview on request

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Wood flooring. Solid parquet elements with grooves and/or tongues. Original standard UNE-EN 13226-2025 in PDF full version. Additional info + preview on request

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Railway applications. Wheelsets and bogies. Axles. Product requirements. Original standard UNE-EN 13261-2025 in PDF full version. Additional info + preview on request

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Non-destructive testing. Terminology. Terms used in industrial radiographic testing. Original standard UNE-EN 1330-3-1997 in PDF full version. Additional info + preview on request

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