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Priority claimed from FR8308266Aexternal-prioritypatent/FR2546153B1/en
Priority claimed from FR848406365Aexternal-prioritypatent/FR2562883B2/en
Application filed by Lorraine CarbonefiledCriticalLorraine Carbone
Priority claimed from EP84420088Aexternal-prioritypatent/EP0126701B1/en
Application grantedgrantedCritical
Publication of ATE30283T1publicationCriticalpatent/ATE30283T1/en