国产成人精品视频国产,韩国国内大量揄拍精品视频,欧美成人午夜性视频,越南小少妇bbwbbwbbw

Two patent applications were accepted by the State Intellectual Property Office Edit Date：2010/04/16

    GDE has been notified by the State Intellectual Property Office that “the exposed bolt to connect steel column foot structure" (Reception No. 201020153868.2) and “the light and water proof plywood Anti Firewall" (Reception No. 201020153866.3) have been accepted as practical patent applications, which is a huge scientific and technological innovation achievement.