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Application filed by Politechnika WroclawskafiledCriticalPolitechnika Wroclawska
Priority to PL29441592ApriorityCriticalpatent/PL167573B1/en
Publication of PL294415A1publicationCriticalpatent/PL294415A1/en
Publication of PL167573B1publicationCriticalpatent/PL167573B1/en