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 Wolfram HillefiledCriticalWolfram Hille
Publication of CS556883A1publicationCriticalpatent/CS556883A1/cs
Publication of CS260002B1publicationCriticalpatent/CS260002B1/cs