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Application filed by Juha RuohonenfiledCriticalJuha Ruohonen
Priority to FI880327ApriorityCriticalpatent/FI84649C/en
Publication of FI880327A0publicationCriticalpatent/FI880327A0/en
Publication of FI880327ApublicationCriticalpatent/FI880327A/en
Application grantedgrantedCritical
Publication of FI84649BpublicationCriticalpatent/FI84649B/en
Publication of FI84649CpublicationCriticalpatent/FI84649C/en