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Application filed by John Thorleif NilssonfiledCriticalJohn Thorleif Nilsson
Priority to NO860886ApriorityCriticalpatent/NO158653C/no
Publication of NO860886LpublicationCriticalpatent/NO860886L/no
Publication of NO158653BpublicationCriticalpatent/NO158653B/no
Publication of NO158653CpublicationCriticalpatent/NO158653C/no