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 Horak, Josef Osmera, Jiri Liska, Josef SilerfiledCriticalVladimir Ing Horak
Priority to CS846896ApriorityCriticalpatent/CS240941B1/en
Publication of CS689684A1publicationCriticalpatent/CS689684A1/en
Publication of CS240941B1publicationCriticalpatent/CS240941B1/en