State system for ensuring the uniformity of measurements. State verification schedule for means measuring of the coating thickness in the range of 1 to 20000 um
Food additives. Quantitative determination of preservatives (benzoic and sorbic acids and their salts) in complex food additives by chromatographic method
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 23. Particular requirements for floor boxes and enclosures
€10
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