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Distribution electric cable support device
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Insulation connecting device for underground distribution line
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a connecting device of information communication for cable
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Multi fixing clamp for communication cable
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Cable entry device of outdoor communication equipment
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Suspension device for transformer in substation
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Frame for underground distribution line fixation
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Protection installation of underground cable
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Tube for prevention terminal corrosion of power condenser in substation
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Sealing gasket body for assembly type of subterranean structure
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Apparatus for laying cable in channel
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Connection apparatus for power-transmission line of transformer substation
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Jumper cable clamp apparatus for overhead transmission line
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