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Application filed by Paal SkappelfiledCriticalPaal Skappel
Priority to NO883878ApriorityCriticalpatent/NO166155C/no
Publication of NO883878D0publicationCriticalpatent/NO883878D0/no
Publication of NO883878LpublicationCriticalpatent/NO883878L/no
Publication of NO166155BpublicationCriticalpatent/NO166155B/no
Publication of NO166155CpublicationCriticalpatent/NO166155C/no