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Application filed by Antoni Gacek, Wiktor GodzieszkafiledCriticalAntoni Gacek
Priority to PL29202391ApriorityCriticalpatent/PL166173B1/en
Publication of PL292023A1publicationCriticalpatent/PL292023A1/en
Publication of PL166173B1publicationCriticalpatent/PL166173B1/en