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Application filed by Jan Sentek, Mieczyslaw PonichterafiledCriticalJan Sentek
Priority to PL24964784ApriorityCriticalpatent/PL138740B2/en
Publication of PL249647A2publicationCriticalpatent/PL249647A2/en
Publication of PL138740B2publicationCriticalpatent/PL138740B2/en