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 ChrzfiledCriticalVaclav Chrz
Priority to CS219376ApriorityCriticalpatent/CS179863B1/cs
Publication of CS179863B1publicationCriticalpatent/CS179863B1/cs