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 Marconi Co LtdfiledCriticalMarconi Co Ltd
Priority to NO89891600ApriorityCriticalpatent/NO891600L/no
Publication of NO891600D0publicationCriticalpatent/NO891600D0/no
Publication of NO891600LpublicationCriticalpatent/NO891600L/no