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 Rolf Aage GrenovfiledCriticalRolf Aage Grenov
Priority to DK78988ApriorityCriticalpatent/DK78988D0/da
Publication of DK78988D0publicationCriticalpatent/DK78988D0/da