Kurki, J. (Inventor),
Hovi, V. (Inventor),
Valtavirta, V. (Inventor),
Leppänen, J. (Inventor) &
Tulkki, V. (Inventor),
30 Nov 2021, IPC No. G21D 1/ 00 A N, Patent No. FI129308B, Priority date
20 Nov 2020, Priority No. FI20200006180
Research output: Patent › Patent