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 JP5420573UpriorityCriticalpatent/JPS5319315Y2/ja
Priority to US452360Aprioritypatent/US3911889A/en
Priority to DE2415465Aprioritypatent/DE2415465A1/de
Publication of JPS508324UpublicationCriticalpatent/JPS508324U/ja
Application grantedgrantedCritical
Publication of JPS5319315Y2publicationCriticalpatent/JPS5319315Y2/ja