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Application filed by Tallinsk Polt InstfiledCriticalTallinsk Polt Inst
Priority to FI25372ApriorityCriticalpatent/FI47200C/fi
Publication of FI47200BpublicationCriticalpatent/FI47200B/fi
Application grantedgrantedCritical
Publication of FI47200CpublicationCriticalpatent/FI47200C/fi