| 摘要 |
Improved letterbox, characterised in that it comprises a plurality of panels which are designed to form a pair of vertical lateral walls, one vertical rear wall, a pair of horizontal walls (upper and lower) and a front door with a lock that can be opened to allow the mail to be removed and as a horizontal window through which to insert the mail; said panels being designed to fit into each other along their respective bent edges and to be secured by stabilizing means. <IMAGE>
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