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Application filed by Stanisław Szczepaniak, Remigiusz SzczepaniakfiledCriticalStanisław Szczepaniak
Priority to PL385053ApriorityCriticalpatent/PL210498B1/en
Publication of PL385053A1publicationCriticalpatent/PL385053A1/en
Publication of PL210498B1publicationCriticalpatent/PL210498B1/en