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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL19830377ApriorityCriticalpatent/PL109847B1/en
Publication of PL198303A1publicationCriticalpatent/PL198303A1/en
Publication of PL109847B1publicationCriticalpatent/PL109847B1/en