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 JP4385067UpriorityCriticalpatent/JPS486261Y1/ja
Priority to US664405Aprioritypatent/US3492888A/en
Priority to GB41074/67Aprioritypatent/GB1127376A/en
Priority to DE1630857Aprioritypatent/DE1630857C3/de
Priority to FR1552965Dprioritypatent/FR1552965A/fr
Publication of JPS486261Y1publicationCriticalpatent/JPS486261Y1/ja