A
HUMAN NECESSITIES
A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61N
ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
A61N
ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1/00
Electrotherapy; Circuits therefor
1/00
Electrotherapy; Circuits therefor