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Priority claimed from FR8511859Aexternal-prioritypatent/FR2585684B1/fr
Priority claimed from FR8511858Aexternal-prioritypatent/FR2585683B1/fr
Application filed by Bertin & CiefiledCriticalBertin & Cie
Priority claimed from EP86401500Aexternal-prioritypatent/EP0216644B1/de
Application grantedgrantedCritical
Publication of ATE46726T1publicationCriticalpatent/ATE46726T1/de