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 Josef Kohoutek, Jan Hlousek, Miloslav OdstrcilfiledCriticalJosef Kohoutek
Priority to CS120577ApriorityCriticalpatent/CS190091B1/en
Publication of CS190091B1publicationCriticalpatent/CS190091B1/en