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.)
Expired
Application number
CA889977A
Inventor
Yokoi Masao
Nakai Yoshiyuki
Yokokawa Tetsuya
Uyama Kiyoshi
Indo Kenji
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.)
JFE Engineering Corp
Kanagawa Prefectual Government
Original Assignee
Kanagawa Prefectual Government
Nippon Kokan Ltd
Publication date
Application grantedgrantedCritical
Publication of CA889977ApublicationCriticalpatent/CA889977A/en