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
Kyosan Electric Manufacturing Co Ltd
Sumitomo Heavy Industries Ltd
Original Assignee
Nippon Steel Corp
Kyosan Electric Manufacturing Co Ltd
Sumitomo Heavy Industries 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 Nippon Steel Corp, Kyosan Electric Manufacturing Co Ltd, Sumitomo Heavy Industries LtdfiledCriticalNippon Steel Corp
Priority to JP6139277ApriorityCriticalpatent/JPS5924714B2/en
Publication of JPS53146168ApublicationCriticalpatent/JPS53146168A/en
Publication of JPS5924714B2publicationCriticalpatent/JPS5924714B2/en