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 JP1981075750UpriorityCriticalpatent/JPH0212715Y2/ja
Publication of JPS57188288UpublicationCriticalpatent/JPS57188288U/ja
Application grantedgrantedCritical
Publication of JPH0212715Y2publicationCriticalpatent/JPH0212715Y2/ja