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WATER QUALITY. DETERMINATION OF ELECTRICAL CONDUCTIVITY. (ISO 7888:1985). Original standard UNE-EN 27888-1994 in PDF full version. Additional info + preview on request

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Insulation caps and bushes for resistance welding equipment (ISO 7931:1985). Original standard UNE-EN 27931-1993 in PDF full version. Additional info + preview on request

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Aerospace series. Fluorocarbon rubber (FKM). Low compressions set. Hardness 60 IRHD. Original standard UNE-EN 2796-2018 in PDF full version. Additional info + preview on request

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Aerospace series. Fluorocarbon rubber (FKM). Low compressions set. Hardness 90 IRHD. Original standard UNE-EN 2799-2018 in PDF full version. Additional info + preview on request

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Aerospace series. Aluminium alloy AL-P7475-T761. Clad sheet and strip. 1,0 mm <= a <= 6 mm. Original standard UNE-EN 2803-2005 in PDF full version. Additional info + preview on request

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Ferronickel ingots of pieces Samplig for analysis. Original standard UNE-EN 28050-1993 in PDF full version. Additional info + preview on request

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