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Application filed by Bogusław Smarduch, Andrzej StadnickifiledCriticalBogusław Smarduch
Priority to PL373712ApriorityCriticalpatent/PL204914B1/pl
Publication of PL373712A1publicationCriticalpatent/PL373712A1/pl
Publication of PL204914B1publicationCriticalpatent/PL204914B1/pl