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 FR100123Aexternal-prioritypatent/FR1532332A/fr
Priority claimed from FR101151Aexternal-prioritypatent/FR1524388A/fr
Application filed by Ile De FrancefiledCriticalIle De France
Publication of YU277179ApublicationCriticalpatent/YU277179A/xx