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 Zaklady Tworzyw Sztucznych ErgfiledCriticalZaklady Tworzyw Sztucznych Erg
Priority to PL24934884ApriorityCriticalpatent/PL143469B1/en
Publication of PL249348A1publicationCriticalpatent/PL249348A1/en
Publication of PL143469B1publicationCriticalpatent/PL143469B1/en