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Mounting equipment for prefabricated part of assembly type building
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Canopy device for shading sun and sheltering rain of sidewalk and using method thereof
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Debugging channel for dynamic balance detection of steam turbine and use method thereof
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Clearance adjusting device of gear meshing transmission mechanism
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A kind of mine operation headlamp with sealed gear rotational structure
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A kind of production waterproof roll asphalt grinding device
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A kind of earth solution agitating device
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A kind of efficient rare-earth mixing device
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A kind of protective device at petroleum pipeline docking
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A kind of oil exploitation sandstone filter device
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A kind of asphalt production solvent mixing arrangement
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A kind of uniformly heated melting plant of asphalt
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