DIFF Subgroup
A61N 1/303 Full Title
Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > continuous direct currents > Apparatus for iontophoresis, , or cataphoresis
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.