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Slovatskii Technical University, Czechoslovakia. Translated from Khimicheskie Volokna, No. 3, pp. 19–22, May–June, 1992.
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Kaloforov, N.Y. Improvement in the manufacture of polypropylene fibres. Fibre Chem 24, 189–193 (1993). https://doi.org/10.1007/BF00554707
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DOI: https://doi.org/10.1007/BF00554707