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Application filed by Piotr Peczak, Witold SenczukfiledCriticalPiotr Peczak
Priority to PL29164591ApriorityCriticalpatent/PL166335B1/en
Publication of PL291645A1publicationCriticalpatent/PL291645A1/en
Publication of PL166335B1publicationCriticalpatent/PL166335B1/en