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 Kur Jan, Vaclavik Leos, Kirchner Stanislav, Karel KolarfiledCriticalKur Jan
Priority to CS841437ApriorityCriticalpatent/CS241236B1/en
Publication of CS143784A1publicationCriticalpatent/CS143784A1/en
Publication of CS241236B1publicationCriticalpatent/CS241236B1/en