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 Vladimir Zak, Stefan Slanicka, Anton SpacekfiledCriticalVladimir Zak
Priority to CS437075ApriorityCriticalpatent/CS193693B1/cs
Publication of CS193693B1publicationCriticalpatent/CS193693B1/cs