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Application filed by Hans Petter Sveen SkjaeggenaesfiledCriticalHans Petter Sveen Skjaeggenaes
Priority to NO870220ApriorityCriticalpatent/NO165374C/no
Publication of NO870220D0publicationCriticalpatent/NO870220D0/no
Publication of NO870220LpublicationCriticalpatent/NO870220L/no
Publication of NO165374BpublicationCriticalpatent/NO165374B/no
Publication of NO165374CpublicationCriticalpatent/NO165374C/no