| 摘要 |
<p>The toothbrush includes a head which is placed at a front longitudinal end of a handle and which is equipped, on an upper face, with a bunch of parallel filaments and a series of rods made from elastomer material which each extend substantially parallel to the filaments and which are placed substantially in two longitudinal rows with one row on each side of the bunch of filaments. Each row of rods includes tall rods which are arranged longitudinally substantially in the center of the row and the length of which is longer than the length of the adjacent filaments and short rods which are arranged at the ends of the row and the length of which is shorter than the length of the adjacent filaments.</p> |
