STB PDF

Destructive tests on welds in metallic materials. Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness tests). Original standard UNE-EN ISO 22826-2021 in PDF full version. Additional info + preview on request

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Forestry and gardening machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy). Original standard UNE-EN ISO 22868-2021 in PDF full version. Additional info + preview on request

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Textiles. Determination of the recovery from creasing of a folded specimen of fabric by measuring the angle of recovery. Method of the vertically folded specimen. Original standard UNE-EN ISO 2313-2-2021 in PDF full version. Additional info + preview on request

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Nuclear criticality safety. Nuclear criticality safety training for operations. Original standard UNE-EN ISO 23133-2022 in PDF full version. Additional info + preview on request

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Soil quality. Test for measuring the inhibition of reproduction in oribatid mites (Oppia nitens) exposed to contaminants in soil. Original standard UNE-EN ISO 23266-2021 in PDF full version. Additional info + preview on request

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Non-destructive testing of welds. Magnetic particle testing. Acceptance levels. Original standard UNE-EN ISO 23278-2015 in PDF full version. Additional info + preview on request

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