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 JP16939577UpriorityCriticalpatent/JPS5755419Y2/ja
Publication of JPS5493203UpublicationCriticalpatent/JPS5493203U/ja
Application grantedgrantedCritical
Publication of JPS5755419Y2publicationCriticalpatent/JPS5755419Y2/ja