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 Vaclav Kadlec, Pavel HuebnerfiledCriticalVaclav Kadlec
Priority to CS184477ApriorityCriticalpatent/CS189368B1/en
Publication of CS189368B1publicationCriticalpatent/CS189368B1/en