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State system for ensuring the uniformity of measurements. Optical density of photomaterials. Method of measurement
Document status: Active
Cooling liquids. Method for determination of methyl alcohol content
Document status: Active
Drinking water. Methods for determining the total number of microorganisms, coliform bacteria, Escherichia coli, Pseudomonas aeruginosa and Enterococcus
Document status: Active
Periodic quadristep sections produced by cross-helical rolling for electric motor shafts. Dimensions
Document status: Active
Textiles. Quantitative chemical analysis. Part 15. Mixtures of jute and certain animal fibres (method by determining nitrogen content)
Document status: Cancelled