Transformers; Distribution transformers; Electric transformers; Electrical transformers; Electric voltage transformers; Electrical switchgear, namely, voltage boosting devices for electric power lines; High voltage transformers; Electric power distribution machines

Quantity indicators, namely, indicators for quantity of electric charge; phototelegraphy apparatus; signal lights, namely, signal lights for traffic; electro-dynamic apparatus for the remote control of signals, namely, electric transformers and converters for the remote control of signals; loudspeakers; voltage stabilizers for electrical measure; electric measuring instruments, namely, electric voltage and current measuring devices for power systems in the nature of portable electronic record...