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Quatron Controls Systems (P) Ltd , Kolkata, (Battery Chargers, Emergency Lights/Tubelights, Frequency Counters/Meters, Digital, Inverters, General-Purpose, Inverters, Sinewave, Power Supplies, Uninterruptible (UPS), Transformers, Constant Voltage (CVTs), Transformers, Isolation, Voltage Stabilisers, 3-Phase, Voltage Stabilisers, Servo )
