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 Vladislav Ing Huna, Milan Cienciala, Miroslav KrasafiledCriticalVladislav Ing Huna
Priority to CS884983ApriorityCriticalpatent/CS266778B1/en
Publication of CS498388A1publicationCriticalpatent/CS498388A1/en
Publication of CS266778B1publicationCriticalpatent/CS266778B1/en