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Application filed by Mauri MaentykoskifiledCriticalMauri Maentykoski
Priority to FI760447ApriorityCriticalpatent/FI52889C/fi
Application grantedgrantedCritical
Publication of FI52889BpublicationCriticalpatent/FI52889B/fi
Publication of FI52889CpublicationCriticalpatent/FI52889C/fi