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 Josef NovakfiledCriticalJosef Novak
Priority to CS586477ApriorityCriticalpatent/CS193913B1/cs
Publication of CS193913B1publicationCriticalpatent/CS193913B1/cs