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Application filed by John SkaugfiledCriticalJohn Skaug
Priority to NO752984ApriorityCriticalpatent/NO136995C/no
Publication of NO752984LpublicationCriticalpatent/NO752984L/no
Publication of NO136995BpublicationCriticalpatent/NO136995B/no
Publication of NO136995CpublicationCriticalpatent/NO136995C/no