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 Rudolf JantschfiledCriticalRudolf Jantsch
Priority to CS340289ApriorityCriticalpatent/CS272698B1/en
Publication of CS340289A1publicationCriticalpatent/CS340289A1/en
Publication of CS272698B1publicationCriticalpatent/CS272698B1/en