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Application filed by Milada Ing Csc Neumanova, Josef Ing Brezovsky, Jaroslava Ing HouzvickovafiledCriticalMilada Ing Csc Neumanova
Priority to CS849315ApriorityCriticalpatent/CS251644B1/en
Publication of CS931584A1publicationCriticalpatent/CS931584A1/en
Publication of CS251644B1publicationCriticalpatent/CS251644B1/en