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 東芝タンガロイ株式会社filedCritical東芝タンガロイ株式会社
Priority to JP1988049215UpriorityCriticalpatent/JPH0623377Y2/ja
Publication of JPH01155112UpublicationCriticalpatent/JPH01155112U/ja
Application grantedgrantedCritical
Publication of JPH0623377Y2publicationCriticalpatent/JPH0623377Y2/ja