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Supporting and lifting device of transformer
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Loading and unloading trolley for circuit breaker
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Cable conveyer of roller type
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Bolt assembly for loosening overhead line
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Combined cable bent sleeve
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Electric control type locking device on switch cabinet
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Locking structure on switch cabinet
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Electromagnetic type locking device on switch cabinet
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Detachable door frame barrier strip structure on switch cabinet
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Door frame baffle structure on switch cabinet
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Installation auxiliary fixture of mutual inductor in switch cabinet
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Signboard fixing structure on switch cabinet
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Dehumidification heat sink in cubical switchboard
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Structure-improved switch cabinet inner terminal connecting seat
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