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 Bretislav Rndr Ing StasfiledCriticalBretislav Rndr Ing Stas
Priority to CS856825ApriorityCriticalpatent/CS266855B1/en
Publication of CS682585A1publicationCriticalpatent/CS682585A1/en
Publication of CS266855B1publicationCriticalpatent/CS266855B1/en