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Publication date
Application filed by Odd JahrfiledCriticalOdd Jahr
Priority to NO870286ApriorityCriticalpatent/NO160668C/en
Publication of NO870286D0publicationCriticalpatent/NO870286D0/en
Publication of NO870286LpublicationCriticalpatent/NO870286L/en
Publication of NO160668BpublicationCriticalpatent/NO160668B/en
Publication of NO160668CpublicationCriticalpatent/NO160668C/en