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.)
Nikku Industry Co Ltd
Nippon Steel Corp
Original Assignee
Nikku Industry Co Ltd
Nippon Steel Corp
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 Nikku Industry Co Ltd, Nippon Steel CorpfiledCriticalNikku Industry Co Ltd
Priority to JP3161490UpriorityCriticalpatent/JPH0718458Y2/ja
Publication of JPH03120949UpublicationCriticalpatent/JPH03120949U/ja
Application grantedgrantedCritical
Publication of JPH0718458Y2publicationCriticalpatent/JPH0718458Y2/ja