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Priority to FI922523ApriorityCriticalpatent/FI92140C/sv
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Publication of FI922523ApublicationCriticalpatent/FI922523A/sv
Publication of FI92140BpublicationCriticalpatent/FI92140B/sv
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Publication of FI92140CpublicationCriticalpatent/FI92140C/sv