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 Jaroslav Riha, Pavel Ing Rak, Josef Ing Lancingr, Julius Ing Puza, Buryan PetrfiledCriticalJaroslav Riha
Priority to CS876557ApriorityCriticalpatent/CS266688B1/en
Publication of CS655787A1publicationCriticalpatent/CS655787A1/en
Publication of CS266688B1publicationCriticalpatent/CS266688B1/en