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 Jan Rambousek, Vaclav BenesfiledCriticalJan Rambousek
Priority to CS787777ApriorityCriticalpatent/CS193339B1/cs
Publication of CS193339B1publicationCriticalpatent/CS193339B1/cs