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 Novak Jiri, Krudenc Ladislav, Josef Ing Smirch, Josef RajdlfiledCriticalNovak Jiri
Priority to CS885967ApriorityCriticalpatent/CS271618B1/en
Publication of CS596788A1publicationCriticalpatent/CS596788A1/en
Publication of CS271618B1publicationCriticalpatent/CS271618B1/en