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Application filed by John From NilsenfiledCriticalJohn From Nilsen
Priority to NO811909ApriorityCriticalpatent/NO149481C/no
Publication of NO811909LpublicationCriticalpatent/NO811909L/no
Publication of NO149481BpublicationCriticalpatent/NO149481B/no
Publication of NO149481CpublicationCriticalpatent/NO149481C/no