| 摘要 |
The invention relates to a connector box comprising: a horizontal base (4) which is solidly connected to cleavable supports (8) that can be used to adjust the height of the box according to the thickness of the concrete slab (2); vertical walls (5) which extend from the base (4), of which at least one comprises at least one muff coupling (11) which is temporarily closed by a seal (12); and a cover (7) opposite the base (4) which connects the vertical walls (5) in order to form an inner space (6).
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