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Priority claimed from FR8117452Aexternal-prioritypatent/FR2512865A1/fr
Priority claimed from FR8206392Aexternal-prioritypatent/FR2525257A2/fr
Application filed by Roger BrugeaudfiledCriticalRoger Brugeaud
Priority claimed from EP82401676Aexternal-prioritypatent/EP0074908B1/de
Application grantedgrantedCritical
Publication of ATE13920T1publicationCriticalpatent/ATE13920T1/de