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 Ivo Ing SafarikfiledCriticalIvo Ing Safarik
Priority to CS846362ApriorityCriticalpatent/CS241812B1/en
Publication of CS636284A1publicationCriticalpatent/CS636284A1/en
Publication of CS241812B1publicationCriticalpatent/CS241812B1/en