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.)
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Publication date
Priority claimed from IN910/MAS/87Aexternal-prioritypatent/IN170515B/en
Application filed by Inland Steel CofiledCriticalInland Steel Co
Priority to IN309MA1991priorityCriticalpatent/IN173679B/en
Publication of IN173679BpublicationCriticalpatent/IN173679B/en