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 Karel KlaskafiledCriticalKarel Klaska
Priority to CS623075ApriorityCriticalpatent/CS179828B1/cs
Publication of CS179828B1publicationCriticalpatent/CS179828B1/cs