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Application filed by Matti KuokkafiledCriticalMatti Kuokka
Priority to FI762994ApriorityCriticalpatent/FI54670C/fi
Publication of FI762994ApublicationCriticalpatent/FI762994A/fi
Publication of FI54670BpublicationCriticalpatent/FI54670B/fi
Application grantedgrantedCritical
Publication of FI54670CpublicationCriticalpatent/FI54670C/fi