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Application filed by Univ WarszawskifiledCriticalUniv Warszawski
Priority to PL20739278ApriorityCriticalpatent/PL118021B1/en
Publication of PL207392A1publicationCriticalpatent/PL207392A1/en
Publication of PL118021B1publicationCriticalpatent/PL118021B1/en
PL20739278A1978-06-061978-06-06Apparatus for imparting pseudotwist in drawing device of ring spinning framee kol'ceprjadil'nojj mashiny
PL118021B1
(en)