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Application filed by Bogdan Banaszak, Kazimierz Garwolinski, Jadwiga BanaszakfiledCriticalBogdan Banaszak
Priority to PL27527188ApriorityCriticalpatent/PL160521B1/en
Publication of PL275271A1publicationCriticalpatent/PL275271A1/en
Publication of PL160521B1publicationCriticalpatent/PL160521B1/en