Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Filing date
Publication date
Priority claimed from JP4073874Aexternal-prioritypatent/JPS5244742B2/ja
Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Application grantedgrantedCritical
Publication of AU7978875ApublicationCriticalpatent/AU7978875A/en
Publication of AU490137B2publicationCriticalpatent/AU490137B2/en