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 Jan Doc Ing Csc Sykora, Marian Ing PadofiledCriticalJan Doc Ing Csc Sykora
Priority to CS832857ApriorityCriticalpatent/CS232629B1/en
Publication of CS285783A1publicationCriticalpatent/CS285783A1/en
Publication of CS232629B1publicationCriticalpatent/CS232629B1/en