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.)
Takeo Okamura Katsuaki Min Ami And Noboru Okamoto Yasuo Nishikawa
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.)
Kyushu Refractories Co Ltd
Original Assignee
Kyushu Refractories Co Ltd
Filing date
Publication date
Priority claimed from JP2780675Aexternal-prioritypatent/JPS5732031B2/ja
Priority claimed from JP50046123Aexternal-prioritypatent/JPS51121015A/en
Priority claimed from JP50051040Aexternal-prioritypatent/JPS51127108A/en
Application filed by Kyushu Refractories Co LtdfiledCriticalKyushu Refractories Co Ltd
Application grantedgrantedCritical
Publication of AU1121376ApublicationCriticalpatent/AU1121376A/en
Publication of AU495777B2publicationCriticalpatent/AU495777B2/en