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 JP1981022658UpriorityCriticalpatent/JPH0117956Y2/ja
Publication of JPS57135231UpublicationCriticalpatent/JPS57135231U/ja
Application grantedgrantedCritical
Publication of JPH0117956Y2publicationCriticalpatent/JPH0117956Y2/ja