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 JP152281UpriorityCriticalpatent/JPS6139493Y2/ja
Publication of JPS57116258UpublicationCriticalpatent/JPS57116258U/ja
Application grantedgrantedCritical
Publication of JPS6139493Y2publicationCriticalpatent/JPS6139493Y2/ja