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Refractories and refractory raw materials. Methods for determination of aluminium oxide
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Test code for machine tools. Part 6. Determination of positioning accuracy by displacement along the diagonals of the working volume and its edges (diagonal displacement tests)
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Knitted underwear for men and boys. General specifications
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Codes for exchanging and processing the information for the six-point representation of Braille characters in the Unicode encoding of alphabets of languages of the peoples of the Russian Federation
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