| 摘要 |
<p>Metal fixing device (1) comprises multiple metal pins (4), which are installed with a base (3) through openings (11) and a fixing material (6). The base has two sides, which are front side (13) and back side (12). Thickness of the base is 1.5-3 mm. A base unit (35) is installed between front and back sides of the base. The base unit prevents relative movement of the back side fixing material and inner periphery (15) of the opening.</p> |
