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 Viljo SaarelainenfiledCriticalViljo Saarelainen
Priority to FI920543UpriorityCriticalpatent/FI774U1/fi
Publication of FIU920543U0publicationCriticalpatent/FIU920543U0/fi
Application grantedgrantedCritical
Publication of FI774U1publicationCriticalpatent/FI774U1/fi