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 Jiri Mudr Tesar, Zdenek Ing Matyas, Vaclav Ing LednickyfiledCriticalJiri Mudr Tesar
Priority to CS104489ApriorityCriticalpatent/CS272680B1/en
Publication of CS104489A1publicationCriticalpatent/CS104489A1/en
Publication of CS272680B1publicationCriticalpatent/CS272680B1/en