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 FR844518ApriorityCriticalpatent/FR909M/fr
Priority to BE609710Aprioritypatent/BE609710A/fr
Application grantedgrantedCritical
Publication of FR909MpublicationCriticalpatent/FR909M/fr