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 Taisto Virtanen, Henry ElorantafiledCriticalTaisto Virtanen
Priority to FI920208UpriorityCriticalpatent/FI167U1/fi
Publication of FIU920208U0publicationCriticalpatent/FIU920208U0/fi
Application grantedgrantedCritical
Publication of FI167U1publicationCriticalpatent/FI167U1/fi