Mahiout, A. (Inventor), Koskinen, J. (Inventor), Lahtinen, R. (Inventor), Ruusuvuori, K. (Inventor),
Siivinen, J. (Inventor), Pirkonen, P. (Inventor), Mursunen, H. (Inventor) &
Heikkinen, J. (Inventor),
29 Sept 2002, IPC No. C02F 1/ 62, Patent No. FI20020598 A, Priority date
28 Mar 2002, Priority No. FI20020000598
Research output: Patent › Patent application