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Priority claimed from FR43967Aexternal-prioritypatent/FR89340E/fr
Priority claimed from FR60325Aexternal-prioritypatent/FR94453E/fr
Priority claimed from FR69150Aexternal-prioritypatent/FR94456E/fr
Application filed by Boucard MfiledCriticalBoucard M
Application grantedgrantedCritical
Publication of AT291698BpublicationCriticalpatent/AT291698B/de