摘要 |
<p>The trolley has a base frame (10) which is extended at both ends beyond the first stop sectors (38, 40, 42, 44), and with four second stop sectors which hold an extension (12, 14) able to be mounted on the base frame on all sides. The extension has its own extension frame (10a, 10b), and its own first and second stop sectors, corresponding to those of the base frame.</p> |