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.)
Sumitomo Aluminum Smelting Co
Tateyama Aluminum Industry Co Ltd
Original Assignee
Sumitomo Aluminum Smelting Co
Tateyama Aluminum Industry 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 Sumitomo Aluminum Smelting Co, Tateyama Aluminum Industry Co LtdfiledCriticalSumitomo Aluminum Smelting Co
Priority to JP7599377ApriorityCriticalpatent/JPS5410246A/en
Publication of JPS5410246ApublicationCriticalpatent/JPS5410246A/en
Publication of JPS5539634B2publicationCriticalpatent/JPS5539634B2/ja