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Application filed by Arto Olavi GauffinfiledCriticalArto Olavi Gauffin
Priority to FI890040ApriorityCriticalpatent/FI890040A/en
Publication of FI890040A0publicationCriticalpatent/FI890040A0/en
Publication of FI890040ApublicationCriticalpatent/FI890040A/en