电铃实验初中物理实验器材小学趣味科学器材教学仪器电磁铁继电器 电铃-蓝色
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电铃实验初中物理实验器材小学趣味科学器材教学仪器电磁铁继电器 电铃-蓝色
| 颜色(Color) | Blue |
| 尺寸(Size) | 10.2cmx7.3cm |
| 材质(Material) | PP |
| 年龄层(Age Level) | 12-16 Years |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 类别(Type) | Electric Bell Experiment |