| 335311 |
Voltage regulators, transmission and distribution, manufacturing |
| 335312 |
Armature rewinding on a factory basis |
| 335312 |
Armatures, industrial, manufacturing |
| 335312 |
Coils for motors and generators manufacturing |
| 335312 |
Collector rings for motors and generators manufacturing |
| 335312 |
Commutators, electric motor, manufacturing |
| 335312 |
Condensers, synchronous, electric, manufacturing |
| 335312 |
Converters, phase and rotary, electrical equipment, manufacturing |
| 335312 |
Dynamos, electric (except automotive), manufacturing |
| 335312 |
Dynamotors manufacturing |