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Application filed by Viljo Juhana JaervenpaeaefiledCriticalViljo Juhana Jaervenpaeae
Priority to FI801966ApriorityCriticalpatent/FI66549C/fi
Publication of FI801966A7publicationCriticalpatent/FI801966A7/fi
Publication of FI66549BpublicationCriticalpatent/FI66549B/fi
Application grantedgrantedCritical
Publication of FI66549CpublicationCriticalpatent/FI66549C/fi