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Application filed by Leszek Katnik, Edward WitasfiledCriticalLeszek Katnik
Priority to PL28900791ApriorityCriticalpatent/PL163702B1/en
Publication of PL289007A2publicationCriticalpatent/PL289007A2/en
Publication of PL163702B1publicationCriticalpatent/PL163702B1/en