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Priority claimed from SE8306711Aexternal-prioritypatent/SE452899B/en
Application filed by Termofrost Sweden AbfiledCriticalTermofrost Sweden Ab
Publication of NO853072LpublicationCriticalpatent/NO853072L/en
Publication of NO161936BpublicationCriticalpatent/NO161936B/en
Publication of NO161936CpublicationCriticalpatent/NO161936C/en