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 Vladimir Ing TumafiledCriticalVladimir Ing Tuma
Priority to CS811902ApriorityCriticalpatent/CS232003B1/en
Publication of CS190281A1publicationCriticalpatent/CS190281A1/en
Publication of CS232003B1publicationCriticalpatent/CS232003B1/en