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 JP1976082094UpriorityCriticalpatent/JPS5538662Y2/ja
Priority to US05/807,343prioritypatent/US4132157A/en
Priority to DE19777719731Uprioritypatent/DE7719731U1/de
Priority to DE19772728336prioritypatent/DE2728336A1/de
Publication of JPS532330UpublicationCriticalpatent/JPS532330U/ja
Application grantedgrantedCritical
Publication of JPS5538662Y2publicationCriticalpatent/JPS5538662Y2/ja
