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Application filed by Ryszard Jaworski, Zygmunt Kulhawik, Gustaw PrzywarafiledCriticalRyszard Jaworski
Priority to PL364072ApriorityCriticalpatent/PL199600B1/pl
Publication of PL364072A1publicationCriticalpatent/PL364072A1/pl
Publication of PL199600B1publicationCriticalpatent/PL199600B1/pl