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 Stefan Rndr Hustava, Vaclav PtakfiledCriticalStefan Rndr Hustava
Priority to CS868003ApriorityCriticalpatent/CS260510B1/en
Publication of CS800386A1publicationCriticalpatent/CS800386A1/en
Publication of CS260510B1publicationCriticalpatent/CS260510B1/en