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金刚石氯化钠分子结构 化学教具模型 初高中教学演示教具
32003 molecular structure(32003分子结构) | ¥99.0 | 1000 set available |
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32005-石墨 | ¥58.0 | 1000 set available |
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32008-碳的同素异形体 | ¥129.0 | 1000 set available |
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32007-氯化钠 | ¥58.0 | 1000 set available |
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32006-碳-60 | ¥58.0 | 1000 set available |
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32004-金刚石 | ¥58.0 | 1000 set available |
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