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 JP8869975UpriorityCriticalpatent/JPS5217989Y2/ja
Publication of JPS523284UpublicationCriticalpatent/JPS523284U/ja
Application grantedgrantedCritical
Publication of JPS5217989Y2publicationCriticalpatent/JPS5217989Y2/ja