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 JP1972024263UpriorityCriticalpatent/JPS5333549Y2/ja
Priority to US00334900Aprioritypatent/US3825941A/en
Publication of JPS48100131UpublicationCriticalpatent/JPS48100131U/ja
Application grantedgrantedCritical
Publication of JPS5333549Y2publicationCriticalpatent/JPS5333549Y2/ja