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Application filed by Politechnika WarszawskafiledCriticalPolitechnika Warszawska
Priority to PL29715292ApriorityCriticalpatent/PL167285B1/en
Publication of PL297152A1publicationCriticalpatent/PL297152A1/en
Publication of PL167285B1publicationCriticalpatent/PL167285B1/en