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Priority claimed from FR8808912Aexternal-prioritypatent/FR2633702B1/fr
Priority claimed from FR8809387Aexternal-prioritypatent/FR2634004A1/fr
Application filed by Hameur & CiefiledCriticalHameur & Cie
Priority claimed from EP89908222Aexternal-prioritypatent/EP0374246B1/de
Application grantedgrantedCritical
Publication of ATE86029T1publicationCriticalpatent/ATE86029T1/de