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Application filed by Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI910401ApriorityCriticalpatent/FI88204C/en
Publication of FI910401A0publicationCriticalpatent/FI910401A0/en
Priority to FI920360Aprioritypatent/FI89746C/en
Publication of FI910401ApublicationCriticalpatent/FI910401A/en
Application grantedgrantedCritical
Publication of FI88204BpublicationCriticalpatent/FI88204B/en
Publication of FI88204CpublicationCriticalpatent/FI88204C/en