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 JP4672872UpriorityCriticalpatent/JPS537646Y2/ja
Priority to GB5971372Aprioritypatent/GB1412457A/en
Publication of JPS496026UpublicationCriticalpatent/JPS496026U/ja
Priority to US445040Aprioritypatent/US3912952A/en
Application grantedgrantedCritical
Publication of JPS537646Y2publicationCriticalpatent/JPS537646Y2/ja
