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Application filed by Ari Kovanen, Kovanen TeuvofiledCriticalAri Kovanen
Priority to FI915392ApriorityCriticalpatent/FI91794C/fi
Publication of FI915392A0publicationCriticalpatent/FI915392A0/fi
Publication of FI915392ApublicationCriticalpatent/FI915392A/fi
Application grantedgrantedCritical
Publication of FI91794BpublicationCriticalpatent/FI91794B/fi
Publication of FI91794CpublicationCriticalpatent/FI91794C/fi