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Application filed by Tapani SolafiledCriticalTapani Sola
Priority to FI741616ApriorityCriticalpatent/FI50920C/fi
Publication of FI161674A7publicationCriticalpatent/FI161674A7/fi
Publication of FI50920BpublicationCriticalpatent/FI50920B/fi
Application grantedgrantedCritical
Publication of FI50920CpublicationCriticalpatent/FI50920C/fi