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Food additives. Methods for determination of the main substance in the food additive potassium nitrite E249

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Agricultural machinery. Potato planters. Test methods

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Tablet. Terms and definitions

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Lead. Method for the determination of arsenic

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State system for ensuring the uniformity of measurements. State verification schedule for means of measuring of the ellipsometric angles

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State system for ensuring the uniformity of measurements. Infrared spectrophotometers. Verification procedure

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