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 JP6067172UpriorityCriticalpatent/JPS5250756Y2/ja
Publication of JPS4919712UpublicationCriticalpatent/JPS4919712U/ja
Application grantedgrantedCritical
Publication of JPS5250756Y2publicationCriticalpatent/JPS5250756Y2/ja