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Application filed by Leszek ZietarskifiledCriticalLeszek Zietarski
Priority to PL94302810ApriorityCriticalpatent/PL173381B1/en
Publication of PL302810A1publicationCriticalpatent/PL302810A1/en
Publication of PL173381B1publicationCriticalpatent/PL173381B1/en