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NUMERIC KEYBOARDS FOR HOME ELECTRONIC SYSTEMS (HES) - (CEI 948:1988). Original standard UNE 21948-1993 in PDF full version. Additional info + preview on request

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Specification for unused polybutenes. Original standard UNE 21963-1994 in PDF full version. Additional info + preview on request

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Spices and condiments. Spectrophotometric determination of the extractable colour in paprika. Original standard UNE 34801-2011 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Spices and condiments. Determination by spectrophotometry of picrocrocin from saffron stigmata(Crocus sativus L.). Original standard UNE 34802-2011 in PDF full version. Additional info + preview on request

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Spices and condiments. Detection of non-polar colorants by high performance liquid chromatography in saffron (Crocus sativus L.). Original standard UNE 34804-2011 in PDF full version. Additional info + preview on request

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Steel and iron Determination of chromium content Potentiometric or visual method. Original standard UNE 36324-2-1992 in PDF full version. Additional info + preview on request

Document status: Active