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Priority to FI951899ApriorityCriticalpatent/FI103905B/fi
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Publication of FI951899ApublicationCriticalpatent/FI951899A/fi
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Publication of FI103905B1publicationCriticalpatent/FI103905B1/fi
Publication of FI103905BpublicationCriticalpatent/FI103905B/fi