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 Jiri Ing Fojtik, Alexius Ing PawlikfiledCriticalJiri Ing Fojtik
Priority to CS8817ApriorityCriticalpatent/CS266419B1/en
Publication of CS1788A1publicationCriticalpatent/CS1788A1/en
Publication of CS266419B1publicationCriticalpatent/CS266419B1/en