Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instytut Włókien NaturalnychfiledCriticalInstytut Włókien Naturalnych
Priority to PL384733ApriorityCriticalpatent/PL214757B1/pl
Publication of PL384733A1publicationCriticalpatent/PL384733A1/pl
Publication of PL214757B1publicationCriticalpatent/PL214757B1/pl