| 摘要 |
<p>The formwork panel (30) has a main portion (82) that includes two end regions engaged to a terminal portion of the respective carriers. The main portion has a hook element (40) suspended from the terminal portion. The main portion has a locking element (50) movably located between an engaged position and a retracted position. The main portion is hinged with one end region at a space between the carriers, corresponding to a functional state of a concrete ceiling boarding, and sung out upward into and/or downward from a position according to the function state of the boarding. Independent claims are included for the following: (1) a kit for a concrete ceiling board; and (2) a concrete ceiling board.</p> |
