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Application filed by Frank JensenfiledCriticalFrank Jensen
Priority to NO860513ApriorityCriticalpatent/NO167175C/en
Publication of NO860513LpublicationCriticalpatent/NO860513L/en
Publication of NO167175BpublicationCriticalpatent/NO167175B/en
Publication of NO167175CpublicationCriticalpatent/NO167175C/en