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Ceramic denture teeth. Technical requirements. Test methods
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Workplace air quality. Determination of isocyanate in air using a double-filter sampling device and analysis by high pressure liquid chromatography
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Clinical recommendations (protocols for patients cure). Prevention of thromboembolic syndromes
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Corrosion-resistant (stainless) steel billets for cast dentures of orthopedic dentistry. General specifications
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Nature protection. Soils. Classification of chemical for pollution control
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