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 JP8082971UpriorityCriticalpatent/JPS4837001U/ja
Priority to FR7224568Aprioritypatent/FR2152538B3/fr
Publication of JPS4837001UpublicationCriticalpatent/JPS4837001U/ja