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Application filed by Zbigniew Engel, Stanisław Oczko, Robert WojtońfiledCriticalZbigniew Engel
Priority to PL383751ApriorityCriticalpatent/PL214264B1/pl
Publication of PL383751A1publicationCriticalpatent/PL383751A1/pl
Publication of PL214264B1publicationCriticalpatent/PL214264B1/pl