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 Dekometalli OyfiledCriticalDekometalli Oy
Priority to FI870390ApriorityCriticalpatent/FI77150C/fi
Publication of FI870390A0publicationCriticalpatent/FI870390A0/fi
Publication of FI870390ApublicationCriticalpatent/FI870390A/fi
Publication of FI77150BpublicationCriticalpatent/FI77150B/fi
Application grantedgrantedCritical
Publication of FI77150CpublicationCriticalpatent/FI77150C/fi