| 摘要 |
<p>The brick (10) has a substantially square, flat contour with two opposite main faces. One first face (12) has a substantially square hollow (14) having four projections (20) rising from its bottom. One second face (18) has four seats (22) aligned to the pins (20), in which the pins (20) of another brick are insertable with a friction fit. Two first side faces (26, 28) have respective central projections (30, 32) extending therefrom. Two second side faces (34, 36) have two lateral projections (38, 40) extending therefrom, between which one central projection (30) of another brick in insertable with a friction fit.</p> |
