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 Antonin Ing Chyba, Josef Strejbar, Zdenek Ing Hanzlicek, Miroslav SlanecfiledCriticalAntonin Ing Chyba
Priority to CS871172ApriorityCriticalpatent/CS260637B1/en
Publication of CS117287A1publicationCriticalpatent/CS117287A1/en
Publication of CS260637B1publicationCriticalpatent/CS260637B1/en