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.)
Nippon Steel Corp
Kanadevia Corp
Original Assignee
Sumitomo Metal Industries Ltd
Hitachi Shipbuilding and Engineering Co 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 Sumitomo Metal Industries Ltd, Hitachi Shipbuilding and Engineering Co LtdfiledCriticalSumitomo Metal Industries Ltd
Priority to JP9140079ApriorityCriticalpatent/JPS5856041B2/ja
Publication of JPS5616005ApublicationCriticalpatent/JPS5616005A/ja
Publication of JPS5856041B2publicationCriticalpatent/JPS5856041B2/ja