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Application filed by Władysław Wiśniewski, Barbara WojtasikfiledCriticalWładysław Wiśniewski
Priority to PL392347ApriorityCriticalpatent/PL217718B1/pl
Publication of PL392347A1publicationCriticalpatent/PL392347A1/pl
Publication of PL217718B1publicationCriticalpatent/PL217718B1/pl