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 filedfiledCritical
Priority to JP1981052446UpriorityCriticalpatent/JPH0111006Y2/ja
Publication of JPS57164524UpublicationCriticalpatent/JPS57164524U/ja
Application grantedgrantedCritical
Publication of JPH0111006Y2publicationCriticalpatent/JPH0111006Y2/ja