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 Ulrich Jiri, Vladimir SeflfiledCriticalUlrich Jiri
Priority to CS839106ApriorityCriticalpatent/CS244460B1/en
Publication of CS910683A1publicationCriticalpatent/CS910683A1/en
Publication of CS244460B1publicationCriticalpatent/CS244460B1/en