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 Metallitoimi OyfiledCriticalMetallitoimi Oy
Priority to FI308672ApriorityCriticalpatent/FI51784C/fi
Publication of FI51784BpublicationCriticalpatent/FI51784B/fi
Application grantedgrantedCritical
Publication of FI51784CpublicationCriticalpatent/FI51784C/fi