21 ELECTRIC COIL WINDINGS, ELECTRIC CURRENT RECTIFIERS, ELECTRIC TRANSFORMERS, ELECTROMAGNETS, ELECTRIC TUNING COILS, ELECTRIC CHOKING COILS, ELECTRIC VARIABLE RESISTORS, MOTORS, RELAYS, SOLENOIDS, ELECTRIC COILS, AND SWITCHES
26 ELECTRIC POWER POTENTIOMETERS, ELECTRIC THERMIONIC DELAY SWITCHES, ELECTROMAGNETIC CONTROL MECHANISMS FOR PUMPS, ELECTROMAGNETIC CONTROL MECHANISM FOR LIFTING GEAR MAGNETS, MECHANISMS FOR SWITCHES, ELECTROMAGNETIC CONTROL MECHANISMS FOR LIFTING GEAR MAGNETS, ELECTROMAGNETIC CONTROL MECHANISMS FOR BRAKES OF TRUUCKS AND AUTOMOBILES, ELECTROMAGNETIC CONTROL MECHANISMS FOR AXLE CONTROL GEARS OF TRUCKS, AND ELECTROMAGNETIC CONTROL MECHANISMS FOR POWER-DRIVEN AND POWERGENERATING ATTACHMENTS OF AUTOMOBILES AND TRUCKS