| 摘要 |
The container (2) comprises a wall (6) and an opening arranged to be assembled to a complementary opening in the wall of an identical container. The wall has projections (18) so that the opening can be assembled simultaneously with the walls of two identical containers. There is a secondary wall (8) able to be assembled with the first wall of an identical container. The first wall has projections (26) which engage with projections in the secondary wall.
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