Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asea Stal AbfiledCriticalAsea Stal Ab
Priority to FI870755ApriorityCriticalpatent/FI88429C/fi
Publication of FI870755A0publicationCriticalpatent/FI870755A0/fi
Publication of FI870755ApublicationCriticalpatent/FI870755A/fi
Application grantedgrantedCritical
Publication of FI88429BpublicationCriticalpatent/FI88429B/fi
Publication of FI88429CpublicationCriticalpatent/FI88429C/fi