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Priority claimed from FR7832727Aexternal-prioritypatent/FR2442485A1/fr
Priority claimed from FR7907339Aexternal-prioritypatent/FR2452145A2/fr
Application filed by Christian Jacques DeforeitfiledCriticalChristian Jacques Deforeit
Priority claimed from EP79400886Aexternal-prioritypatent/EP0011576B1/de
Application grantedgrantedCritical
Publication of ATE3918T1publicationCriticalpatent/ATE3918T1/de