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Application filed by Jaakko RikamafiledCriticalJaakko Rikama
Priority to FI752390ApriorityCriticalpatent/FI58705C/fi
Publication of FI752390A7publicationCriticalpatent/FI752390A7/fi
Application grantedgrantedCritical
Publication of FI58705BpublicationCriticalpatent/FI58705B/fi
Publication of FI58705CpublicationCriticalpatent/FI58705C/fi