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 Vladimir Ing Jakl, Vaclav Cinert, Petr Ing KonecnyfiledCriticalVladimir Ing Jakl
Priority to CS508986ApriorityCriticalpatent/CS272652B1/en
Publication of CS508986A1publicationCriticalpatent/CS508986A1/en
Publication of CS272652B1publicationCriticalpatent/CS272652B1/en