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Application filed by Kustaa Vilhelm NiemifiledCriticalKustaa Vilhelm Niemi
Priority to FI864918ApriorityCriticalpatent/FI864918A/fi
Publication of FI864918A0publicationCriticalpatent/FI864918A0/fi
Publication of FI864918ApublicationCriticalpatent/FI864918A/fi