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Application filed by Esa Ilmari HalttunenfiledCriticalEsa Ilmari Halttunen
Priority to FI20002218ApriorityCriticalpatent/FI109609B/en
Publication of FI20002218A0publicationCriticalpatent/FI20002218A0/en
Priority to FI20010232Uprioritypatent/FI5097U1/en
Publication of FI20002218LpublicationCriticalpatent/FI20002218L/en
Application grantedgrantedCritical
Publication of FI109609BpublicationCriticalpatent/FI109609B/en