| 摘要 |
A bristle structure including at least two stem wires spirally wound together to form a longitudinally extending core of the bristle structure and a plurality of bristles extending outwardly from the longitudinally extending core. Each of the bristles has a first end and an opposed second end, and each of the bristles is clamped between the stem wires such that the second end of each bristle extends a greater distance from the longitudinally extending core than the first end of the each bristle.
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