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Application filed by Kauko Ilmari ImmonenfiledCriticalKauko Ilmari Immonen
Priority to FI751402ApriorityCriticalpatent/FI52044C/fi
Publication of FI751402A7publicationCriticalpatent/FI751402A7/fi
Publication of FI52044BpublicationCriticalpatent/FI52044B/fi
Application grantedgrantedCritical
Publication of FI52044CpublicationCriticalpatent/FI52044C/fi