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Application filed by Ukko Uuno HietalafiledCriticalUkko Uuno Hietala
Priority to FI760869ApriorityCriticalpatent/FI58439C/fi
Publication of FI760869A7publicationCriticalpatent/FI760869A7/fi
Publication of FI58439BpublicationCriticalpatent/FI58439B/fi
Application grantedgrantedCritical
Publication of FI58439CpublicationCriticalpatent/FI58439C/fi