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Application filed by Viljo Ilmari VuoristofiledCriticalViljo Ilmari Vuoristo
Priority to FI364673ApriorityCriticalpatent/FI52293C/sv
Publication of FI364673ApublicationCriticalpatent/FI364673A/fi
Application grantedgrantedCritical
Publication of FI52293BpublicationCriticalpatent/FI52293B/fi
Publication of FI52293CpublicationCriticalpatent/FI52293C/sv