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.)
Filing date
Publication date
Application filed by Koblas Karel, Vinar OldrichfiledCriticalKoblas Karel
Priority to CS8872ApriorityCriticalpatent/CS264691B1/en
Publication of CS7288A1publicationCriticalpatent/CS7288A1/en
Publication of CS264691B1publicationCriticalpatent/CS264691B1/en