| 摘要 |
<p>An improved building panel for use in erecting walls, etc., during building has a sufficient strength even when the panel is large. The building panel includes a flat panel (17) manufactured by charging a filler (17) into a frame body (1a) comprising a left frame (5), a right frame (6), an upper frame (2), a lower frame (7) and a reinforcing material (16), and an L-shaped panel manufactured by charging a filler into a frame body comprising a left frame, a right frame, an L-shaped upper frame, an L-shaped front sheet, an L-shaped back sheet and a reinforcing material.</p> |
