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 Pendl Jiri, Hotek Frantisek, Jiri Ing SkalafiledCriticalPendl Jiri
Priority to CS855534ApriorityCriticalpatent/CS257522B1/en
Publication of CS553485A1publicationCriticalpatent/CS553485A1/en
Publication of CS257522B1publicationCriticalpatent/CS257522B1/en