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Priority claimed from NO884598Aexternal-prioritypatent/NO884598D0/en
Application filed by Aker Eng AsfiledCriticalAker Eng As
Priority to NO894106ApriorityCriticalpatent/NO173838C/en
Publication of NO894106D0publicationCriticalpatent/NO894106D0/en
Publication of NO894106LpublicationCriticalpatent/NO894106L/en
Publication of NO173838BpublicationCriticalpatent/NO173838B/en
Publication of NO173838CpublicationCriticalpatent/NO173838C/en