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 Laitila, Hannu Laitila, Rauli Ylimaeki, Harri TinkanenfiledCriticalMarkku Laitila
Priority to FI930351UpriorityCriticalpatent/FI942U1/fi
Publication of FIU930351U0publicationCriticalpatent/FIU930351U0/fi
Application grantedgrantedCritical
Publication of FI942U1publicationCriticalpatent/FI942U1/fi