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Application filed by Rolf ToernkvistfiledCriticalRolf Toernkvist
Priority to FI760141ApriorityCriticalpatent/FI54015C/fi
Publication of FI760141A7publicationCriticalpatent/FI760141A7/fi
Application grantedgrantedCritical
Publication of FI54015BpublicationCriticalpatent/FI54015B/fi
Publication of FI54015CpublicationCriticalpatent/FI54015C/fi