| 摘要 |
<p>The system comprises a hook, a fastening comb, springs and pincers. To increase performance, part of moulded plastic, has a variable number of recesses, and bottom teeth engaging parts, descent of which is promoted by the spring. - The pincers contact zones further increase holding pressure irrespective of the thickness of the clothes. (Previously notified in Week 8334).</p> |
