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Priority claimed from FR8609450Aexternal-prioritypatent/FR2600554B1/en
Application filed by Elf AquitainefiledCriticalElf Aquitaine
Publication of NO880864D0publicationCriticalpatent/NO880864D0/en
Publication of NO880864LpublicationCriticalpatent/NO880864L/en
Publication of NO170459BpublicationCriticalpatent/NO170459B/en
Publication of NO170459CpublicationCriticalpatent/NO170459C/en