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CN112208654A
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Shock attenuation cooling transport vechicle
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A kind of L-type precast concrete
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Tunnel Engineering intellectual monitoring alarm system
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A kind of method of express highway pavement reparation
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A kind of expressway surface repair apparatus
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A kind of expressway safety means of defence
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A kind of bituminous pavement restorative procedure
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A kind of anti-collision guard rail for highways
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A kind of express highway pavement restorative procedure
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A kind of express highway pavement prosthetic device
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A kind of road rehabilitation equipment
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A kind of air entrained concrete production and processing technology
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CN108355782A
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A kind of two formula ball mill of mining dry and wet
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One kind being used for concrete road surface well lid periphery road surface protective device
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A kind of overpass construction maintenance system
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A kind of asphalt pavement crack maintenance repair apparatus
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CN108342997A
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A kind of freeway tunnel inlet and outlet light gradient protective device
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CN108252168A
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A kind of rail maintenance system for heavy haul railway
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CN108328355A
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A kind of convenient collecting device of pyrite resource
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A kind of concrete road surface crushing and clearing vehicle
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