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Intelligent detection system for safe lock
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Anti-impact stroke switch
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Secondary protection small rail car
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Novel pulling climbing device
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Automatic window cleaning machine
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Automatic retractable machine for steel wire rope
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Electric lifting basket for large-size lock drainage shaft
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Steel wire rope suspension holder of suspended platform
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Chamfer wall construction basket
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Marine work platform
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Variable-cross-section beam hanging basket suspension for bridge
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Bevel hanging basket for triangular truss bridge
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Folding arm type variable width elevator cradle
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Built-in load-limiting device
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