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Publication date
Priority claimed from CS845410Aexternal-prioritypatent/CS241246B1/en
Application filed by Hajek Milan, Cermak Jan, Silhavy PremyslfiledCriticalHajek Milan
Priority to CS706586ApriorityCriticalpatent/CS266159B3/en
Publication of CS706586A1publicationCriticalpatent/CS706586A1/en
Publication of CS266159B3publicationCriticalpatent/CS266159B3/en