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.)
Koshuha Netsuren KK
Nippon Steel Corp
Original Assignee
Koshuha Netsuren KK
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 Koshuha Netsuren KK, Nippon Steel CorpfiledCriticalKoshuha Netsuren KK
Priority to JP19257189ApriorityCriticalpatent/JPH0361335A/ja
Publication of JPH0361335ApublicationCriticalpatent/JPH0361335A/ja
Publication of JPH0559181B2publicationCriticalpatent/JPH0559181B2/ja