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Application filed by Vilhelm KankaanpaeaefiledCriticalVilhelm Kankaanpaeae
Priority to FI229973ApriorityCriticalpatent/FI49490C/fi
Publication of FI229973ApublicationCriticalpatent/FI229973A/fi
Application grantedgrantedCritical
Publication of FI49490BpublicationCriticalpatent/FI49490B/fi
Publication of FI49490CpublicationCriticalpatent/FI49490C/fi