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Application filed by Osmo Antero SuovaniemifiledCriticalOsmo Antero Suovaniemi
Priority to FI753086ApriorityCriticalpatent/FI56129C/fi
Publication of FI753086A7publicationCriticalpatent/FI753086A7/fi
Application grantedgrantedCritical
Publication of FI56129BpublicationCriticalpatent/FI56129B/fi
Publication of FI56129CpublicationCriticalpatent/FI56129C/fi