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.)
Showa Aluminum Industries KK
Showa Keikinzoku KK
Original Assignee
Showa Aluminum Industries KK
Showa Keikinzoku KK
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 Showa Aluminum Industries KK, Showa Keikinzoku KKfiledCriticalShowa Aluminum Industries KK
Priority to JP9055780ApriorityCriticalpatent/JPS5716189A/ja
Priority to CA000377712Aprioritypatent/CA1208598A/en
Priority to US06/265,347prioritypatent/US4392926A/en
Publication of JPS5716189ApublicationCriticalpatent/JPS5716189A/ja