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Publication of CA25665ApublicationCriticalpatent/CA25665A/en
AQUEOUS DISPERSION, COATING LIQUID CONTAINING THIS AQUEOUS DISPERSION, METHOD FOR PRODUCING A POLYLACTIC ACID FILM USING THIS COATING LIQUID, AND SHEET MATERIAL
Treatment of the spent lyes used in the manufacture of cellulose by means of sulphites for the recovery of sulphurous acid therefrom, and for the utilization of the said lyes after such treatment