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 Usinor SacilorfiledCriticalUsinor Sacilor
Priority to IN883MA1990DpriorityCriticalpatent/IN179042B/en
Priority to IN883MA1990prioritypatent/IN178699B/en
Publication of IN178699BpublicationCriticalpatent/IN178699B/en