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 Jan Skrepek, Ervin FaulhaberfiledCriticalJan Skrepek
Priority to CS696376ApriorityCriticalpatent/CS184672B1/en
Publication of CS184672B1publicationCriticalpatent/CS184672B1/en