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 Piikkioen Metallitekniikka OyfiledCriticalPiikkioen Metallitekniikka Oy
Priority to FI904011ApriorityCriticalpatent/FI88277C/fi
Publication of FI904011A0publicationCriticalpatent/FI904011A0/fi
Publication of FI904011ApublicationCriticalpatent/FI904011A/fi
Application grantedgrantedCritical
Publication of FI88277BpublicationCriticalpatent/FI88277B/fi
Publication of FI88277CpublicationCriticalpatent/FI88277C/fi