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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co LtdfiledCriticalDaido Steel Co Ltd
Priority to JP50069962ApriorityCriticalpatent/JPS51145405A/ja
Publication of JPS51145405ApublicationCriticalpatent/JPS51145405A/ja
Publication of JPS5757541B2publicationCriticalpatent/JPS5757541B2/ja