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 FR8708890Aexternal-prioritypatent/FR2616845A1/fr
Application filed by Georges Sagnial, Jacques ChauquetfiledCriticalGeorges Sagnial
Application grantedgrantedCritical
Publication of ATE101238T1publicationCriticalpatent/ATE101238T1/de