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Application filed by Mauri Kalevi DrufvafiledCriticalMauri Kalevi Drufva
Priority to FI20070227ApriorityCriticalpatent/FI20070227A0/fi
Publication of FI20070227A0publicationCriticalpatent/FI20070227A0/fi
Priority to FI20070389Aprioritypatent/FI120115B/fi