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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel LtdfiledCriticalKobe Steel Ltd
Priority to JP15798376ApriorityCriticalpatent/JPS5380316A/ja
Publication of JPS5380316ApublicationCriticalpatent/JPS5380316A/ja
Publication of JPS5759292B2publicationCriticalpatent/JPS5759292B2/ja
