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 Petr MalinakfiledCriticalPetr Malinak
Priority to CS592576ApriorityCriticalpatent/CS187734B1/cs
Publication of CS187734B1publicationCriticalpatent/CS187734B1/cs