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 John, Petr HamplfiledCriticalVaclav John
Priority to CS393777ApriorityCriticalpatent/CS189413B1/cs
Publication of CS189413B1publicationCriticalpatent/CS189413B1/cs