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 Milos Protiva, Jan Zvonicek, Rudolf Dohnalek, Miroslav CapfiledCriticalMilos Protiva
Priority to CS7500000728ApriorityCriticalpatent/CS186651B1/cs
Publication of CS186651B1publicationCriticalpatent/CS186651B1/cs