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 JP1981041763UpriorityCriticalpatent/JPH0117658Y2/ja
Publication of JPS57153701UpublicationCriticalpatent/JPS57153701U/ja
Application grantedgrantedCritical
Publication of JPH0117658Y2publicationCriticalpatent/JPH0117658Y2/ja