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Priority claimed from FR8309353Aexternal-prioritypatent/FR2546943B1/en
Priority claimed from FR8401323Aexternal-prioritypatent/FR2558871B2/en
Application filed by Guy LemerrefiledCriticalGuy Lemerre
Priority claimed from EP84401173Aexternal-prioritypatent/EP0128830B1/en
Application grantedgrantedCritical
Publication of ATE29268T1publicationCriticalpatent/ATE29268T1/en