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Priority claimed from FR743500Aexternal-prioritypatent/FR1250412A/fr
Priority claimed from FR754727Aexternal-prioritypatent/FR1242826A/fr
Application filed by Gen Mecanique Appliquee SigmafiledCriticalGen Mecanique Appliquee Sigma
Publication of DK115298BpublicationCriticalpatent/DK115298B/da