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 Ing Valasek, Jaroslav Dipl Tech Petlach, Kubena Karel, Oldrich Ing MatelafiledCriticalJiri Ing Valasek
Priority to CS862488ApriorityCriticalpatent/CS254524B1/en
Publication of CS248886A1publicationCriticalpatent/CS248886A1/en
Publication of CS254524B1publicationCriticalpatent/CS254524B1/en