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Application filed by Teuvo Martti Nikka, Anssi Juhani VirtanenfiledCriticalTeuvo Martti Nikka
Priority to FI900428ApriorityCriticalpatent/FI88772C/fi
Publication of FI900428A0publicationCriticalpatent/FI900428A0/fi
Publication of FI900428ApublicationCriticalpatent/FI900428A/fi
Application grantedgrantedCritical
Publication of FI88772BpublicationCriticalpatent/FI88772B/fi
Publication of FI88772CpublicationCriticalpatent/FI88772C/fi