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 Vaclav Ing KukelkafiledCriticalVaclav Ing Kukelka
Priority to SK12091ApriorityCriticalpatent/SK278206B6/en
Priority to CS91120Aprioritypatent/CS12091A3/en
Publication of CS12091A3publicationCriticalpatent/CS12091A3/en