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 Markku Rantanen, Juha NieminenfiledCriticalMarkku Rantanen
Priority to FI950039UpriorityCriticalpatent/FI1870U1/fi
Publication of FIU950039U0publicationCriticalpatent/FIU950039U0/fi
Application grantedgrantedCritical
Publication of FI1870U1publicationCriticalpatent/FI1870U1/fi