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Application filed by Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI901186ApriorityCriticalpatent/FI84940C/fi
Publication of FI901186A0publicationCriticalpatent/FI901186A0/fi
Publication of FI901186ApublicationCriticalpatent/FI901186A/fi
Application grantedgrantedCritical
Publication of FI84940BpublicationCriticalpatent/FI84940B/fi
Publication of FI84940CpublicationCriticalpatent/FI84940C/fi