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Priority to FI920124ApriorityCriticalpatent/FI95733C/en
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Publication of FI920124ApublicationCriticalpatent/FI920124A/en
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Publication of FI95733BpublicationCriticalpatent/FI95733B/en
Publication of FI95733CpublicationCriticalpatent/FI95733C/en