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Application filed by D G T Spolka Z O OfiledCriticalD G T Spolka Z O O
Priority to PL29285491ApriorityCriticalpatent/PL166781B1/en
Publication of PL292854A2publicationCriticalpatent/PL292854A2/en
Publication of PL166781B1publicationCriticalpatent/PL166781B1/en