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 Zbynek Vacatko, Jiri Ing Marel, Riha MilanfiledCriticalZbynek Vacatko
Priority to CS832401ApriorityCriticalpatent/CS232491B1/en
Publication of CS240183A1publicationCriticalpatent/CS240183A1/en
Publication of CS232491B1publicationCriticalpatent/CS232491B1/en