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Application filed by Politechnika PoznanskafiledCriticalPolitechnika Poznanska
Priority to PL29105991ApriorityCriticalpatent/PL165847B1/pl
Publication of PL291059A1publicationCriticalpatent/PL291059A1/xx
Publication of PL165847B1publicationCriticalpatent/PL165847B1/pl