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 Stanek Jaroslav, Pavel Ing Sura, Josef Ing Csc VanekfiledCriticalStanek Jaroslav
Priority to CS904326ApriorityCriticalpatent/CS432690A3/en
Publication of CS432690A3publicationCriticalpatent/CS432690A3/en