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Application filed by Politechnika Wroclawska, Dolnoslaska Fabryka Maszyn WlofiledCriticalPolitechnika Wroclawska
Priority to PL19651677ApriorityCriticalpatent/PL106533B1/pl
Publication of PL196516A1publicationCriticalpatent/PL196516A1/pl
Publication of PL106533B1publicationCriticalpatent/PL106533B1/pl