| 摘要 |
The grid, intended for a nuclear fuel assembly, comprises at least two sets of plates (12) which are crossed so as to define passage cells for fuel rods (34) and optionally for guide tubes distributed at the nodes of a regular network. The plates are fitted with projecting dimples in at least some of the cells, consisting of rivets (30) projecting on at least one side of the plate. <IMAGE>
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