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Application filed by Wesseltoft Per AsfiledCriticalWesseltoft Per As
Priority to NO87873829ApriorityCriticalpatent/NO873829L/en
Publication of NO873829D0publicationCriticalpatent/NO873829D0/en
Priority to PCT/NO1988/000067prioritypatent/WO1989002565A1/en
Publication of NO873829LpublicationCriticalpatent/NO873829L/en