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中号椭圆牛顿摆球珠 惯性定律摆球 教学用 办公礼品
23*14 * 18cm(23*14*18cm) | ¥11.4 | 140203 piece available |
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Packaging information
CTN Size: 1 × 1 × 1 cm
G.W./CTN:1 kg
QTY/CTN:1 piece/carton
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