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.)
Shinagawa Shiro Renga KK
JFE Engineering Corp
Original Assignee
Shinagawa Shiro Renga KK
Nippon Kokan 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 Shinagawa Shiro Renga KK, Nippon Kokan LtdfiledCriticalShinagawa Shiro Renga KK
Priority to JP57114012ApriorityCriticalpatent/JPS598669A/ja
Publication of JPS598669ApublicationCriticalpatent/JPS598669A/ja
Publication of JPS6125676B2publicationCriticalpatent/JPS6125676B2/ja