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Application filed by Ake TornqvistfiledCriticalAke Tornqvist
Priority to SE8800891ApriorityCriticalpatent/SE461672B/sv
Publication of SE8800891D0publicationCriticalpatent/SE8800891D0/sv
Publication of SE8800891LpublicationCriticalpatent/SE8800891L/sv
Publication of SE461672BpublicationCriticalpatent/SE461672B/sv