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Application filed by Jorma Reino HyytiaeinenfiledCriticalJorma Reino Hyytiaeinen
Priority to FI891997ApriorityCriticalpatent/FI891997A/fi
Publication of FI891997A0publicationCriticalpatent/FI891997A0/fi
Publication of FI891997ApublicationCriticalpatent/FI891997A/fi