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Safety rules for the construction and installation of lifts. Particular applications to passenger lifts and goods passenger lifts - Vandal resistant lifts. Original standard UNE-EN 81-71-2022 in PDF full version. Additional info + preview on request

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Safety rules for the construction and installations of lifts. Particular applications for passenger and goods passenger lifts - Lifts subject to seismic conditions. Original standard UNE-EN 81-77-2022 in PDF full version. Additional info + preview on request

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Cast iron pipe systems and their components for the evacuation of water from works. characteristics and test methods. Original standard UNE-EN 877-2022 in PDF full version. Additional info + preview on request

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Chemicals used for treatment of water intended for human consumption - Sulfuric acid. Original standard UNE-EN 899-2022 in PDF full version. Additional info + preview on request

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Aerospace series. Quality systems. Direct Ship. Guidance for aerospace companies. Original standard UNE-EN 9114-2022 in PDF full version. Additional info + preview on request

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Aerospace Series - Management of unsalvageable Items. Original standard UNE-EN 9147-2022 in PDF full version. Additional info + preview on request

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