| 摘要 |
<p>The accessory spacing element (1) for dowel anchoring devices for wall covering slabs includes a tubular body (2) made of plastic material which is interposed between the dowel (6) and the respective accommodation seat (11, 12) of the slab (13, 14). The body (2) has an elastically deformable frustum-shaped annular flange (5) at one end thereof.</p> |
