Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CS825811Aexternal-prioritypatent/CS231085B1/en
Application filed by Stastny Milan, Ciernik JanfiledCriticalStastny Milan
Priority to CS592584ApriorityCriticalpatent/CS239793B3/en
Publication of CS592584A1publicationCriticalpatent/CS592584A1/en
Publication of CS239793B3publicationCriticalpatent/CS239793B3/en