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Application filed by Toivo SavolainenfiledCriticalToivo Savolainen
Priority to FI810470ApriorityCriticalpatent/FI64475C/fi
Publication of FI810470LpublicationCriticalpatent/FI810470L/fi
Application grantedgrantedCritical
Publication of FI64475BpublicationCriticalpatent/FI64475B/fi
Publication of FI64475CpublicationCriticalpatent/FI64475C/fi