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Application filed by Franciszek Kusz, Jerzy Gruszczyk, Jan Danowski, Franciszek Staniczek, Antoni MicorfiledCriticalFranciszek Kusz
Priority to PL31259696ApriorityCriticalpatent/PL312596A1/en
Publication of PL312596A1publicationCriticalpatent/PL312596A1/en