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Application filed by Pekka VesafiledCriticalPekka Vesa
Priority to FI862876ApriorityCriticalpatent/FI76884C/fi
Publication of FI862876A0publicationCriticalpatent/FI862876A0/fi
Publication of FI862876ApublicationCriticalpatent/FI862876A/fi
Application grantedgrantedCritical
Publication of FI76884BpublicationCriticalpatent/FI76884B/fi
Publication of FI76884CpublicationCriticalpatent/FI76884C/fi