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 Miloslav Ing Brezina, Milan ZelinkofiledCriticalMiloslav Ing Brezina
Priority to CS856959ApriorityCriticalpatent/CS260423B1/en
Publication of CS695985A1publicationCriticalpatent/CS695985A1/en
Publication of CS260423B1publicationCriticalpatent/CS260423B1/en