| 摘要 |
A plurality of form panels (1, 1) each comprising a reinforcing frame body (3) secured on the back surface of a flat board (2), and having flanges (4, 5) and means to connect the form panels (1, 1) together comprising a clamp (39) to engage two adjacent flanges (4, 5) of the frame bodies (3, 3) and having a flange (29a) thereon. <IMAGE> |
