| 摘要 |
<p>A single-use hygienic device for telephone handsets prevents direct and indirect contact with those parts of the handset having holes which harbour not only grease and dust but also particles of mucus, perspiration and saliva, as well as pathogenic bacteria and viruses. The device is made of paper known as non-woven fabric and rubber. Application: communal telephones and public telephone booths.</p> |
