| 摘要 |
<p>The hygienic baby couch has a multiple supporting surface formed by a special paper roll which is accommodated below a cover. The sheets of the roll are joined to each other along perforated lines, and they are of the same width as the couch and a fraction of its length , i.e. between one third and one quarter. The paper pulled off the roll can be accommodated in guides either side of the couch, these also containing holding-down devices for it, while means can be provided for keeping it under tension. A tear-off edge can be provided at the forward end of the couch.</p> |
