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 Blahovec Jiri, Veroslav Ing Et Ing Csc SirfiledCriticalBlahovec Jiri
Priority to CS867446ApriorityCriticalpatent/CS258887B1/cs
Publication of CS744686A1publicationCriticalpatent/CS744686A1/cs
Publication of CS258887B1publicationCriticalpatent/CS258887B1/cs