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Application filed by Svajgl Oldrich, Milan Ing Vitvar, Frantisek Ing Srb, Pokorny Petr, Prazak Vaclav, Alena TomanovafiledCriticalSvajgl Oldrich
Priority to CS836606ApriorityCriticalpatent/CS237189B1/cs
Publication of CS660683A1publicationCriticalpatent/CS660683A1/cs
Publication of CS237189B1publicationCriticalpatent/CS237189B1/cs