Top IPC subclasses
1
|
A61N
|
1
|
electrotherapymagnetotherapyradiation therapyultrasound therapy
|
2
|
G12B
|
1
|
details of instruments, or comparable details of other apparatus, not otherwise provided for
|
3
|
C01F
|
1
|
compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
|