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Priority claimed from FI910401Aexternal-prioritypatent/FI88204C/en
Application filed by Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI920360ApriorityCriticalpatent/FI89746C/en
Publication of FI920360A0publicationCriticalpatent/FI920360A0/en
Publication of FI920360ApublicationCriticalpatent/FI920360A/en
Application grantedgrantedCritical
Publication of FI89746BpublicationCriticalpatent/FI89746B/en
Publication of FI89746CpublicationCriticalpatent/FI89746C/en