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Priority to FI924555ApriorityCriticalpatent/FI98221C/sv
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Publication of FI924555ApublicationCriticalpatent/FI924555A/sv
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Publication of FI98221BpublicationCriticalpatent/FI98221B/sv
Publication of FI98221CpublicationCriticalpatent/FI98221C/sv