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Application filed by Stora Kopparbergs Bergslags AbfiledCriticalStora Kopparbergs Bergslags Ab
Priority to FI782141ApriorityCriticalpatent/FI63465C/fi
Publication of FI782141ApublicationCriticalpatent/FI782141A/fi
Application grantedgrantedCritical
Publication of FI63465BpublicationCriticalpatent/FI63465B/fi
Publication of FI63465CpublicationCriticalpatent/FI63465C/fi