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Fuse device capable of automatically and timely replacing new fuse after fuse
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Automatic closing switch mechanism of extra-high voltage transformer substation
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Novel arc control device's distribution board
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Switchboard capable of adjusting size of heat dissipation hole based on principle of thermal expansion and cold contraction
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Distribution board device convenient to overhaul
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Distribution box capable of removing fallen leaves
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Distribution board door closing mechanism capable of avoiding collision deformation
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Transformer substation isolating switch capable of working stably
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Saving type spraying equipment capable of automatically and comprehensively spraying
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Food packaging and collecting machine capable of reducing breakage rate
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Electromechanical device overload protection is with detecting alarm device
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Pre-polishing device before painting of electromechanical equipment box
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