| 摘要 |
The invention relates to a set of elements for assembling complex structures, the set comprising a plurality of first magnetic bar elements (1), having a first length, a plurality of ferromagnetic elements (3), and a plurality of second magnetic bar elements (2), having a second length. Said two lengths and the dimension of said ferromagnetic elements are such to allow the assembling of complex structures, e.g. classic crystallographic structures. <IMAGE>
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