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Application filed by Viljo Ilmari VuoristofiledCriticalViljo Ilmari Vuoristo
Priority to FI733646ApriorityCriticalpatent/FI52293C/fi
Publication of FI364673A7publicationCriticalpatent/FI364673A7/fi
Application grantedgrantedCritical
Publication of FI52293BpublicationCriticalpatent/FI52293B/fi
Publication of FI52293CpublicationCriticalpatent/FI52293C/fi