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State system for ensuring the uniformity of measurements. National standard. Standard reference data. Optically transparent materials based on CaLa2S4 – La2S3. Thermal conductivity in the temperature range from 80 K to 400 K
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Services for the implementation of developmental care for disabled children
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Sаle of farm products. Information for consumers. General requirements
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Tin bronze. Methods for the determination of sulphur
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