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  • Patent for Utility Model

    Flood Discharge Tunnel of Energy Dissipation with the Adoption of Rotational Flow in the Shaft Caused by Submerged Piers

       The patent for utility model of flood discharge tunnel of energy dissipation with the adoption of rotational flow in the shaft caused by submerged piers applied by GPDI was authorized by State Intellectual Property Office of the PRC on August 31st, 2011. The Patent No. is ZL 2010 2 0518550.X. The valid period of the patent is 10 years.

     

     

    Heightened Gravity Dam

             The patent for utility model of heightened gravity dam applied by GPDI was authorized by State Intellectual Property Office of the PRC on June 8th, 2011. The Patent No. is ZL 2010 2 0518571.1. The valid period of the patent is 10 years.

     


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