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
Priority claimed from GB898926967Aexternal-prioritypatent/GB8926967D0/en
Application filed by British Pipe CoatersfiledCriticalBritish Pipe Coaters
Publication of NO922115D0publicationCriticalpatent/NO922115D0/en
Publication of NO922115LpublicationCriticalpatent/NO922115L/en