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The manner of production of micro-porous fibres/foil from acetate silk with addition of dibuthyrylochitin and microporous fibres/foil from regenerated foil with addition of chitin and its derivatives
The manner of production of micro-porous fibres/foil from acetate silk with addition of dibuthyrylochitin and microporous fibres/foil from regenerated foil with addition of chitin and its derivatives
