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 J R V Systemer A SfiledCriticalJ R V Systemer A S
Priority to DK650989ApriorityCriticalpatent/DK650989A/da
Publication of DK650989D0publicationCriticalpatent/DK650989D0/da
Publication of DK650989ApublicationCriticalpatent/DK650989A/da