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 Frantisek Ing Csc Strmiska, Frantisek Ing SivelfiledCriticalFrantisek Ing Csc Strmiska
Priority to CS905055ApriorityCriticalpatent/CS505590A3/en
Publication of CS505590A3publicationCriticalpatent/CS505590A3/en