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Patent Certificate
A Method for Determining Standard Safe Operating Speeds for Vehicles on Long, Steep Slope Road Sections_02
A Method for Determining Standard Safe Operating Speeds for Vehicles on Long, Steep Slope Road Sections_01
A bridge expansion joint anchoring structure_1_01
An Anchoring Method and Anchoring Structure for Modular Expansion Joints in Bridges_01
A surveying device for bridge engineering_01
A cutting device for bridge construction _02
A cutting device for bridge construction _01
A Method for Controlling Blasting Explosive Quantity in Mountain Road Construction Near Hazardous Rock Masses_01
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