Flood control wall steel reinforcing structure accurate positioning ware
Flood control wall steel reinforcing structure accurate positioning ware, prefabricated cake sliding weight of steelyard formula cushion (4) and omega hasp (5) are with the same opening direction coaxial arrangement, the open mouthful both sides in top of omega hasp (5) have the extension board that...
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Format: | Patent |
Sprache: | chi ; eng |
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