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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL23978182ApriorityCriticalpatent/PL138363B1/en
Publication of PL239781A1publicationCriticalpatent/PL239781A1/en
Publication of PL138363B1publicationCriticalpatent/PL138363B1/en