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金刚石氯化钠分子结构化学模型 初高中演示模型组装款教学演示
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USD $16.84 | 1000 set available |
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USD $9.87 | 1000 set available |
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USD $21.95 | 1000 set available |
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USD $9.87 | 1000 set available |
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USD $9.87 | 1000 set available |
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USD $9.87 | 1000 set available |
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Packaging information
CTN Size: 42 × 36 × 52 cm
G.W./CTN:16 kg
QTY/CTN:12 set/carton
注意:下单前需要确定交货时间 !
金刚石氯化钠分子结构模型,初高中化学教学必备!
核心卖点:精准模拟晶体结构,耐用安全材料。
解决学习抽象难题,提升兴趣。通过ISO认证,品牌可靠。
激发科学热情,助力成绩提升。限时优惠,立即购买!












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