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Priority claimed from CS832963Aexternal-prioritypatent/CS231873B1/en
Application filed by Rysavy Drahomir, Kratochvil Frantisek, Petruj Jaroslav, Vlastimil Ing Douda, Oldrich Ing Csc BlazekfiledCriticalRysavy Drahomir
Priority to CS361584ApriorityCriticalpatent/CS241923B3/en
Publication of CS361584A1publicationCriticalpatent/CS361584A1/en
Publication of CS241923B3publicationCriticalpatent/CS241923B3/en