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Priority claimed from FR8102878Aexternal-prioritypatent/FR2499925A1/fr
Priority claimed from FR8112404Aexternal-prioritypatent/FR2508405B2/fr
Application filed by AmpafrancefiledCriticalAmpafrance
Priority claimed from EP82400251Aexternal-prioritypatent/EP0058617B1/de
Application grantedgrantedCritical
Publication of ATE14552T1publicationCriticalpatent/ATE14552T1/de