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Priority claimed from FR8705461Aexternal-prioritypatent/FR2613690B1/en
Application filed by Jean Georjon, Granger GastonfiledCriticalJean Georjon
Publication of DK687088D0publicationCriticalpatent/DK687088D0/en
Publication of DK687088ApublicationCriticalpatent/DK687088A/en