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The distance-finding method and system of a kind of direct current rail transportation supply line short trouble
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DC electric-manual dual-purpose isolating switch
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A kind of modularized dc tractive feeder cabinet
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Door lock
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Direct-current charging pile
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Middle-set-type withdrawable switch cabinet
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AC charging pile for electric vehicle
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DC fast circuit breaker trunk
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Energy-storage type tramcar constant-current discharge system and device based on PLC
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High-power charging circuit and apparatus
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Charging device power module
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Discharging device
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Direct current fast breaker handcart advancing interlocking device
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Logic control interlocking structure for handcart in-out and manual separate-switch brake of circuit breaker
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Fast circuit breaker with longer service life
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Circuit breaker directly connected/disconnected by electromagnetic force
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