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 FR8104787Aexternal-prioritypatent/FR2500993A1/en
Priority claimed from FR8200328Aexternal-prioritypatent/FR2519230A2/en
Application filed by Daniel MassefiledCriticalDaniel Masse
Priority claimed from EP19820400348external-prioritypatent/EP0059671B1/en
Application grantedgrantedCritical
Publication of ATE9257T1publicationCriticalpatent/ATE9257T1/en