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.)
Krosaki Harima Corp
Original Assignee
Kyushu Refractories 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 Kyushu Refractories Co LtdfiledCriticalKyushu Refractories Co Ltd
Priority to JP11171574ApriorityCriticalpatent/JPS5612273B2/ja
Publication of JPS5138307ApublicationCriticalpatent/JPS5138307A/ja
Publication of JPS5612273B2publicationCriticalpatent/JPS5612273B2/ja