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.)
Yaskawa Electric Corp
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Yaskawa Electric Manufacturing 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 Nippon Steel Corp, Yaskawa Electric Manufacturing Co LtdfiledCriticalNippon Steel Corp
Priority to JP5846277ApriorityCriticalpatent/JPS5922894B2/en
Publication of JPS53143387ApublicationCriticalpatent/JPS53143387A/en
Publication of JPS5922894B2publicationCriticalpatent/JPS5922894B2/en