| 摘要 |
The present invention relates to a one touch attaching and detaching type device for preventing buoyance in a hollow core slab to prevent a lightweight molding material to be widely used for a wooden mold from coming off; and to significantly improve workability, stability, and economic efficiency in the attachment and detachment of a device for preventing the buoyance of a lightweight molding material, although attachment and detachment for an existing device for preventing the buoyance of a lightweight molding material are complex, inconvenient, and dangerous for workers. |
