| 摘要 |
<p>The document holder (1), consists of two flat panels (2, 5) of a rigid or semi-rigid plastic material connected by a supple strip (16) which acts as a spine and hinge for the cover panels. The strip can be made from a woven material or from one with a thickness making it supple, and it is connected to the panels by ultrasound welding. The documents can be held in supple sleeves (27, 28) in pairs which are also welded to the spine by intermediate zones.</p> |
