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Application filed by Matti KanervafiledCriticalMatti Kanerva
Priority to FI880708ApriorityCriticalpatent/FI81407C/fi
Publication of FI880708A0publicationCriticalpatent/FI880708A0/fi
Publication of FI880708ApublicationCriticalpatent/FI880708A/fi
Application grantedgrantedCritical
Publication of FI81407BpublicationCriticalpatent/FI81407B/fi
Publication of FI81407CpublicationCriticalpatent/FI81407C/fi