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Priority to FI944633ApriorityCriticalpatent/FI102098B1/fi
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Publication of FI944633ApublicationCriticalpatent/FI944633A/fi
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Publication of FI102098BpublicationCriticalpatent/FI102098B/fi
Publication of FI102098B1publicationCriticalpatent/FI102098B1/fi