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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL28855590ApriorityCriticalpatent/PL163612B1/en
Publication of PL288555A1publicationCriticalpatent/PL288555A1/en
Publication of PL163612B1publicationCriticalpatent/PL163612B1/en