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A kind of Multifunctional rotating tooth harrow
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A kind of adjustable speed hoist engine
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A kind of grid sewage-removing machine grab bucket
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A kind of guide tracked hydraulic rake trash
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A kind of side-mounted screw open-close machine
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A kind of steel-slag sand of locking device
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Efficient sealed Two-way water stop gate
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Efficient sealed type flap valve
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New type of safe overload protection arrangement
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Efficient blind rod type steel-slag sand
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New and effective revolution trash
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A kind of miter gate clinoprism pressure-bearing sealing structure
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One kind revolution trash rake teeth
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