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.)
Nireco Corp
Nippon Steel Corp
Original Assignee
Nireco Corp
Sumitomo Metal Industries Ltd
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 Nireco Corp, Sumitomo Metal Industries LtdfiledCriticalNireco Corp
Priority to JP1988137612UpriorityCriticalpatent/JPH079038Y2/ja
Publication of JPH0258700UpublicationCriticalpatent/JPH0258700U/ja
Application grantedgrantedCritical
Publication of JPH079038Y2publicationCriticalpatent/JPH079038Y2/ja