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Friction stir welding Aluminium Part 3- Qualification of welding operators (ISO 25239-3-2020). Original standard UNE-EN ISO 25239-3-2021 in PDF full version. Additional info + preview on request

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Friction stir welding Aluminium Part 4- Specification and qualification of welding procedures (ISO 25239-4-2020). Original standard UNE-EN ISO 25239-4-2021 in PDF full version. Additional info + preview on request

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Friction stir welding Aluminium Part 5- Quality and inspection requirements (ISO 25239-5-2020). Original standard UNE-EN ISO 25239-5-2021 in PDF full version. Additional info + preview on request

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Corrected version, October 2021 Welding and allied processes Symbolic representation on drawings Welded joints (ISO 2553-2019, Corrected version 2021-09). Original standard UNE-EN ISO 2553-2020 (2021) in PDF full version. Additional info + preview on request

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Welding consumables Covered electrodes for manual. metal arc welding of non-alloy and fine grain steels Classification (ISO 2560-2020). Original standard UNE-EN ISO 2560-2021 in PDF full version. Additional info + preview on request

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Floating leisure articles for use on and in the water Part 7- Additional specific safety requirements and test methods for Class E devices (ISO 25649-7-2024). Original standard UNE-EN ISO 25649-7-2025 in PDF full version. Additional info + preview on request

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