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Application filed by Rolf ToernkvistfiledCriticalRolf Toernkvist
Priority to FI762565ApriorityCriticalpatent/FI52896C/fi
Publication of FI52896BpublicationCriticalpatent/FI52896B/fi
Application grantedgrantedCritical
Publication of FI52896CpublicationCriticalpatent/FI52896C/fi