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 JP1974157352UpriorityCriticalpatent/JPS5628788Y2/ja
Publication of JPS5183757UpublicationCriticalpatent/JPS5183757U/ja
Application grantedgrantedCritical
Publication of JPS5628788Y2publicationCriticalpatent/JPS5628788Y2/ja