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.)
Kokan Kikai Kogyo KK
JFE Engineering Corp
TYK Corp
Original Assignee
Kokan Kikai Kogyo KK
Nippon Kokan Ltd
TYK 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 Kokan Kikai Kogyo KK, Nippon Kokan Ltd, TYK CorpfiledCriticalKokan Kikai Kogyo KK
Priority to JP7650076ApriorityCriticalpatent/JPS532346A/ja
Publication of JPS532346ApublicationCriticalpatent/JPS532346A/ja
Publication of JPS559273B2publicationCriticalpatent/JPS559273B2/ja