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 JP296881UpriorityCriticalpatent/JPH0113661Y2/ja
Publication of JPS57116558UpublicationCriticalpatent/JPS57116558U/ja
Application grantedgrantedCritical
Publication of JPH0113661Y2publicationCriticalpatent/JPH0113661Y2/ja