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Application filed by Ryszard Piekos, Jacek TeodorczykfiledCriticalRyszard Piekos
Priority to PL29096791ApriorityCriticalpatent/PL165997B1/en
Publication of PL290967A1publicationCriticalpatent/PL290967A1/en
Publication of PL165997B1publicationCriticalpatent/PL165997B1/en