摘要 |
<p>The brush has a handle (1.1) to which a core (1.2.1), made of two twisted metallic wires, is fixed. The bristles (1.2.2) are implanted in the core. The core is curved into the arc of a circle near the handle and its free end is bent outwards. The ends of the curve (1.2.1.2, 1.2.1.4) define a narrow gap.</p> |