TRENCH

APPARATUS FOR ELECTRICAL POWER TRANSMISSION SYSTEMS-NAMELY, REACTORS FOR POWER TRANSMISSION LINES AND LARGE POWER CONSUMERS, SHUNT REACTORS, CURRENT LIMITING REACTORS, SMOOTHING REACTORS, TEST, REACTORS, LINE TRAPS TUNED AND UNTUNED, FILTER COILS, TRANSFORMERS, CAPACITIVE VOLTAGE TRANSFORMERS, COUPLING CAPACITORS [, REACTORS FOR ELECTRICAL TRANSPORTATION VEHICLES-NAMELY, SUBWAY AND STREET CARS]