DIFF Subgroup
A61N 1/321 Full Title
Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > alternating or intermittent currents
A61N 1/321 Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > alternating or intermittent currents