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Application filed by Stanisław Szczepaniak, Remigiusz SzczepaniakfiledCriticalStanisław Szczepaniak
Priority to PL382363ApriorityCriticalpatent/PL217899B1/pl
Publication of PL382363A1publicationCriticalpatent/PL382363A1/pl
Publication of PL217899B1publicationCriticalpatent/PL217899B1/pl