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IEC 62321-7-1:2015 ed1.0

Действует
Determination of certain substances in electrotechnical products - Part 7-1: Hexavalent chromium - Presence of hexavalent chromium (Cr(VI)) in colourless and coloured corrosion-protected coatings on metals by the colorimetric method — 37 стр.
IEC 62321-7-1:2015 ed1.0
Действует