| 摘要 |
<p>The hanging briefcases (01) has an extension part (12), of the upper end of file retaining parts (11), which is extended in a pre-determined length and is bounded together with a suspended part (13). A positioning part is arranged for assistance of combination at the lower part of the back of a main brief case (10). A positioning part of a lower-briefcase (20) and the positioning part of the main briefcase are combined with each other and positioned, so that the lower-briefcase and the main briefcase are combined to a unit. Another positioning part, arranged at the lower part of the back of the lower- briefcase, cooperates with the positioning part of other extension part (22), in such a manner that the two lower-briefcases (20,20B) can be combined in extension.</p> |
