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Welding. Acceptance inspection of electron beam welding machines. Measurement of welding speed. Original standard UNE-EN ISO 14744-4-2001 in PDF full version. Additional info + preview on request

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Welding. Acceptance inspection of electron beam welding machines. Measurement of run-out accuracy. Original standard UNE-EN ISO 14744-5-2001 in PDF full version. Additional info + preview on request

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Welding. Acceptance inspection of electron beam welding machines. Measurement of stability of spot position. Original standard UNE-EN ISO 14744-6-2001 in PDF full version. Additional info + preview on request

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Amendment 1 - Solid biofuels - Sample preparation. Original standard UNE-EN ISO 14780-2018 A1-2020 in PDF full version. Additional info + preview on request

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Hexagon head tapping screws. Original standard UNE-EN ISO 1479-2011 in PDF full version. Additional info + preview on request

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Lifts (elevators), escalators and moving walks. Risk assessment and reduction methodology. Original standard UNE-EN ISO 14798-2013 in PDF full version. Additional info + preview on request

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