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Enzyme preparations. Methods of phytase enzyme activity determination
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Roofing handwork. Roof installation with bitumen shingles. Rules and control of work
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Glassware. Hydrolytic resistance of the interior surfaces of glass containers. Part 1. Determination by titration method and classification
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Hydrodynamic adjustable single supported couplings. Basic parameters and dimensions
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Non-destructive testing. Qualification and certification of personnel
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