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 日本鋼管株式会社, 千代田歯科器材株式会社filedCritical日本鋼管株式会社
Priority to JP1988135422UpriorityCriticalpatent/JPH061130Y2/ja
Publication of JPH0255926UpublicationCriticalpatent/JPH0255926U/ja
Application grantedgrantedCritical
Publication of JPH061130Y2publicationCriticalpatent/JPH061130Y2/ja