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Priority claimed from SE8601000Aexternal-prioritypatent/SE459872B/en
Priority claimed from SE8604925Aexternal-prioritypatent/SE460548B/en
Priority claimed from NO870900Aexternal-prioritypatent/NO165772C/en
Publication of NO902738LpublicationCriticalpatent/NO902738L/en
Application filed by Swedoor AbfiledCriticalSwedoor Ab
Priority to NO902738ApriorityCriticalpatent/NO176772C/en
Publication of NO902738D0publicationCriticalpatent/NO902738D0/en
Publication of NO176772BpublicationCriticalpatent/NO176772B/en
Publication of NO176772CpublicationCriticalpatent/NO176772C/en