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Application filed by Politechnika KrakowskafiledCriticalPolitechnika Krakowska
Priority to PL28632290ApriorityCriticalpatent/PL163497B1/en
Publication of PL286322A2publicationCriticalpatent/PL286322A2/en
Publication of PL163497B1publicationCriticalpatent/PL163497B1/en