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 JP2481381UpriorityCriticalpatent/JPS624404Y2/ja
Publication of JPS57140907UpublicationCriticalpatent/JPS57140907U/ja
Application grantedgrantedCritical
Publication of JPS624404Y2publicationCriticalpatent/JPS624404Y2/ja