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Amendment 1 - Gas Infrastructure. Compressor stations. Functional requirements. Original standard UNE-EN 12583-2023 + A1-2025 in PDF full version. Additional info + preview on request

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Bitumens and bituminous binders. Preparation of test samples. Original standard UNE-EN 12594-2025 in PDF full version. Additional info + preview on request

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Bitumens and bituminous binders. Terminology. Original standard UNE-EN 12597-2025 in PDF full version. Additional info + preview on request

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Bitumens and bituminous binders Determination of the resistance to hardening under influence of heat and air Part 1: RTFOT method. Original standard UNE-EN 12607-1-2025 in PDF full version. Additional info + preview on request

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Machinery for supply and circulation of liquid coating materials. Safety requirements. Original standard UNE-EN 12621-2025 in PDF full version. Additional info + preview on request

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Testing of welded joints of thermoplastics semi-finished products Part 8: Requirements. Original standard UNE-EN 12814-8-2025 in PDF full version. Additional info + preview on request

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