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 JP1981087098UpriorityCriticalpatent/JPS637609Y2/ja
Publication of JPS57198212UpublicationCriticalpatent/JPS57198212U/ja
Application grantedgrantedCritical
Publication of JPS637609Y2publicationCriticalpatent/JPS637609Y2/ja