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Publication date
Priority claimed from CS715878Aexternal-prioritypatent/CS200441B1/en
Application filed by Chlost Milan, Bedrich Ing KutilfiledCriticalChlost Milan
Priority to CS1036384ApriorityCriticalpatent/CS242294B3/en
Publication of CS1036384A1publicationCriticalpatent/CS1036384A1/en
Publication of CS242294B3publicationCriticalpatent/CS242294B3/en