| 摘要 |
<p>The button having at least a part of its body (1) made of a material having elastic memory or featuring with the elastic memory effect or a change of its shape or volume due to the temperature, while the body (1) is fitted with at least one fastening element (2) being at least partly made of the material having elastic memory or featuring with the elastic memory effect or a change of its shape or volume due to the temperature.</p> |
