摘要 |
<p>Retainer has base plate (1) with two plastic coated, centering springs to pass through holes in paper side and clamp (5) to hold paper in place. Springs are bent over providing regular radius and allowing view of any of the pages, similar to ring binder. Springs realign to vertical position allowing further stacks of listings to be added. Clamp is removed to add more paper. For archiving, papers are retained on base plate by the clamps.</p> |