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.)
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 昭和アルミニウム株式会社filedCritical昭和アルミニウム株式会社
Priority to JP1990129153UpriorityCriticalpatent/JP2588012Y2/ja
Publication of JPH0486773UpublicationCriticalpatent/JPH0486773U/ja
Application grantedgrantedCritical
Publication of JP2588012Y2publicationCriticalpatent/JP2588012Y2/ja