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Application filed by Politechnika CzestochowskafiledCriticalPolitechnika Czestochowska
Priority to PL23745182ApriorityCriticalpatent/PL137884B1/en
Publication of PL237451A1publicationCriticalpatent/PL237451A1/en
Publication of PL137884B1publicationCriticalpatent/PL137884B1/en