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Priority claimed from FR8317016Aexternal-prioritypatent/FR2553931B1/fr
Priority claimed from FR8317015Aexternal-prioritypatent/FR2553928B1/fr
Application filed by Merlin GerinfiledCriticalMerlin Gerin
Priority claimed from EP84401968Aexternal-prioritypatent/EP0143022B1/de
Application grantedgrantedCritical
Publication of ATE34877T1publicationCriticalpatent/ATE34877T1/de