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Priority to FI960864ApriorityCriticalpatent/FI102806B/fi
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Publication of FI960864ApublicationCriticalpatent/FI960864A/fi
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Publication of FI102806B1publicationCriticalpatent/FI102806B1/fi
Publication of FI102806BpublicationCriticalpatent/FI102806B/fi