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Priority to PL23617882ApriorityCriticalpatent/PL137498B1/en
Publication of PL236178A1publicationCriticalpatent/PL236178A1/en
Publication of PL137498B1publicationCriticalpatent/PL137498B1/en
PL23617882A1982-04-261982-04-26Method of purifying waste manganese diooxide in particular for use in processes of obtaining gluside and l-ascorbic acid
PL137498B1
(en)