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 FR8011622Aexternal-prioritypatent/FR2483066A1/fr
Priority claimed from FR8014977Aexternal-prioritypatent/FR2486042A1/fr
Application filed by Creusot-LoirefiledCriticalCreusot-Loire
Priority claimed from EP81400802Aexternal-prioritypatent/EP0041017B1/de
Application grantedgrantedCritical
Publication of ATE4394T1publicationCriticalpatent/ATE4394T1/de