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.)
Meidensha Corp
Nippon Steel Corp
Original Assignee
Meidensha Corp
Sumitomo Metal 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 Meidensha Corp, Sumitomo Metal Industries LtdfiledCriticalMeidensha Corp
Priority to JP1306372ApriorityCriticalpatent/JPS5845649B2/ja
Publication of JPS4883857ApublicationCriticalpatent/JPS4883857A/ja
Publication of JPS5845649B2publicationCriticalpatent/JPS5845649B2/ja