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Application filed by Eero Mikael KolehmainenfiledCriticalEero Mikael Kolehmainen
Priority to FI830615ApriorityCriticalpatent/FI67422C/fi
Publication of FI830615A0publicationCriticalpatent/FI830615A0/fi
Publication of FI830615LpublicationCriticalpatent/FI830615L/fi
Publication of FI67422BpublicationCriticalpatent/FI67422B/fi
Application grantedgrantedCritical
Publication of FI67422CpublicationCriticalpatent/FI67422C/fi