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Application filed by Matti Johannes NikulainenfiledCriticalMatti Johannes Nikulainen
Priority to FI830502ApriorityCriticalpatent/FI69784C/fi
Publication of FI830502A0publicationCriticalpatent/FI830502A0/fi
Publication of FI830502LpublicationCriticalpatent/FI830502L/fi
Publication of FI69784BpublicationCriticalpatent/FI69784B/fi
Application grantedgrantedCritical
Publication of FI69784CpublicationCriticalpatent/FI69784C/fi