| 摘要 |
A shredding device comprising a drum having a central hub rotating around an axis on which a plurality of discoid elements are mounted adjacent, able to rotate solidly together and carrying peripherally beating elements. Each discoid element comprises a set of beating elements which comprises at least a pair of beating elements and, along the axis, the pairs of beating elements of the discoid elements are disposed angularly staggered with respect to the same axis.
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