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Product-quality index system. Pure linen, linen and linen with chemical filaments yarn. Index nomenclature
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Product-quality index system. Converters. Index nomenclature
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Product-quality index system. Steel-teeming ladles. Index nomenclature
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System of product-quality indices. Mechanical welding equipment. Nomenclature of indices
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Product-quality index system. Writing paper. Index nomenclature
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Product-quality index system. Drawing paper. Index nomenclature
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