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Application filed by Vktor Ing Csc Orszagh, Stefan BranderskyfiledCriticalVktor Ing Csc Orszagh
Priority to CS853899ApriorityCriticalpatent/CS256071B1/en
Publication of CS389985A1publicationCriticalpatent/CS389985A1/en
Publication of CS256071B1publicationCriticalpatent/CS256071B1/en