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Application filed by Vesa Liukkonen, Mika LiukkonenfiledCriticalVesa Liukkonen
Priority to FI813230ApriorityCriticalpatent/FI64700C/en
Publication of FI813230LpublicationCriticalpatent/FI813230L/en
Application grantedgrantedCritical
Publication of FI64700BpublicationCriticalpatent/FI64700B/en
Publication of FI64700CpublicationCriticalpatent/FI64700C/en