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
Priority claimed from FR860833Aexternal-prioritypatent/FR1288549A/fr
Application filedfiledCritical
Priority to FR919083ApriorityCriticalpatent/FR82789E/fr
Application grantedgrantedCritical
Publication of FR82789EpublicationCriticalpatent/FR82789E/fr