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Enzyme preparations. Methods for the determination of proteolytic activity

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Services in the field of entertainment and recreation for children. Terms and definitions

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Buildings and constructions. Rules of inspection and monitoring of the technical condition

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Fertilizers. Extraction of phosphorus which is soluble in neutral ammonium citrate

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Agricultural tractors. Pressure output of the hydraulic system

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Drinking water. Prepared conditioned water for alcoholic beverages. Determination of pH by potentiometry

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