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Low voltage type double circuit breaker for extinguishing arc using vacuum insulation
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Partial discharge detection system using optical fiber ultrasonic sensor in high voltage power system
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System for detecting arc flash in distribution board
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Sewage treatment vehicle
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Distributing board having the prevention function of electric leakage caused and the self-checking control system
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Method for detecting arc by magnetic sensor and arc protection switching board using the same method
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Electric power switch
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A cabinet panel with a bus-bar conversion kit
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Moving display type panel board had two-step connector device
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Multi-panel board had two-step connector device
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Panel board had two-step connector device
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Electrical automatic transfer switch having thermal overload protection
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