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Priority to FI943860ApriorityCriticalpatent/FI103013B/fi
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Publication of FI943860ApublicationCriticalpatent/FI943860A/fi
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Publication of FI103013B1publicationCriticalpatent/FI103013B1/fi
Publication of FI103013BpublicationCriticalpatent/FI103013B/fi