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 Dansk Shell A SfiledCriticalDansk Shell A S
Priority to DK61893ApriorityCriticalpatent/DK61893D0/da
Publication of DK61893D0publicationCriticalpatent/DK61893D0/da