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Hardmetals - Chemical analysis by flame atomic absorption spectrometry - Part 2- Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02 % (m/m) (ISO 7627-2-1983). Original standard UNE-EN 27627-2-1993 in PDF full version. Additional info + preview on request

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Hardmetals - Chemical analysis by flame atomic absorption spectrometry - Part 4- Determination of molybdenum, titanium and vanadium in contents from 0,01 to 0,5 % (m/m) (ISO 7627-4-1983). Original standard UNE-EN 27627-4-1993 in PDF full version. Additional info + preview on request

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Corrigendum - Instruments for surgery Scalpels with detachable blades Fitting dimensions (ISO 7740-1985). Original standard UNE-EN 27740 AC-1996 in PDF full version. Additional info + preview on request

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Instruments for surgery Scalpels with detachable blades Fitting dimensions (ISO 7740-1985). Original standard UNE-EN 27740-1993 in PDF full version. Additional info + preview on request

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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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