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 Arvo Piiroinen OyfiledCriticalArvo Piiroinen Oy
Priority to FI980461UpriorityCriticalpatent/FI4169U1/fi
Publication of FIU980461U0publicationCriticalpatent/FIU980461U0/fi
Application grantedgrantedCritical
Publication of FI4169U1publicationCriticalpatent/FI4169U1/fi