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 Cockerill Ougree SafiledCriticalCockerill Ougree Sa
Priority to BE600806ApriorityCriticalpatent/BE600806A/en
Publication of BE600806ApublicationCriticalpatent/BE600806A/en