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 Tata Iron & Steel Co LtdfiledCriticalTata Iron & Steel Co Ltd
Priority to IN160CA1993priorityCriticalpatent/IN178529B/en
Publication of IN178529BpublicationCriticalpatent/IN178529B/en