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Application filed by Valtion TeknillinenfiledCriticalValtion Teknillinen
Priority to FI844261ApriorityCriticalpatent/FI73013C/fi
Publication of FI844261A0publicationCriticalpatent/FI844261A0/fi
Priority to JP24527185Aprioritypatent/JPS61160492A/ja
Publication of FI844261LpublicationCriticalpatent/FI844261L/fi
Publication of FI73013BpublicationCriticalpatent/FI73013B/fi
Application grantedgrantedCritical
Publication of FI73013CpublicationCriticalpatent/FI73013C/fi