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Priority claimed from PL16649073Aexternal-prioritypatent/PL91257B1/pl
Priority claimed from PL16682973Aexternal-prioritypatent/PL91435B1/pl
Application filed by Politechnika WarszawskafiledCriticalPolitechnika Warszawska
Publication of HU171031BpublicationCriticalpatent/HU171031B/hu