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Priority claimed from FI921538Aexternal-prioritypatent/FI921538A0/fi
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Priority to FI931589ApriorityCriticalpatent/FI97531C/fi
Publication of FI931589A0publicationCriticalpatent/FI931589A0/fi
Publication of FI931589ApublicationCriticalpatent/FI931589A/fi
Publication of FI97531BpublicationCriticalpatent/FI97531B/fi
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Publication of FI97531CpublicationCriticalpatent/FI97531C/fi