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Application filed by Stanisław Szczepaniak, Remigiusz SzczepaniakfiledCriticalStanisław Szczepaniak
Priority to PL384249ApriorityCriticalpatent/PL212362B1/pl
Publication of PL384249A1publicationCriticalpatent/PL384249A1/pl
Publication of PL212362B1publicationCriticalpatent/PL212362B1/pl