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Water quality. Enumeration of Escherichia coli and coliform bacteria - Most probable number method. Original standard UNE-EN ISO 9308-2-2014 in PDF full version. Additional info + preview on request

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Water quality. Detection and enumeration of Escherichia Coli and coliform bacteria in surface and waste water - Miniaturized method (most probable number) for the detection and enumeration of E. coli in surface and waste water. Original standard UNE-EN ISO 9308-3-1999 in PDF full version. Additional info + preview on request

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Resistance welding equipment. Insulated pins for use in electrode back-ups. Original standard UNE-EN ISO 9312-2013 in PDF full version. Additional info + preview on request

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Hygrothermal performance of buildings and building materials Physical quantities for mass transfer - Vocabulary (ISO 9346:2007). Original standard UNE-EN ISO 9346-2009 in PDF full version. Additional info + preview on request

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Nickel-based alloys. Determination of resistance to intergranular corrosion. Original standard UNE-EN ISO 9400-1996 in PDF full version. Additional info + preview on request

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Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO 9408:1999). Original standard UNE-EN ISO 9408-2000 in PDF full version. Additional info + preview on request

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