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 JP18999080UpriorityCriticalpatent/JPS622723Y2/ja
Publication of JPS57113402UpublicationCriticalpatent/JPS57113402U/ja
Application grantedgrantedCritical
Publication of JPS622723Y2publicationCriticalpatent/JPS622723Y2/ja