Contains: beakers, Underwater propeller,car body battery case electric motor any meter for measuring electricity lamp bulb tube face wheel switch burning glass illuminant prism wire magnet compass concave lens pulley. |
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Contains: beakers, Underwater propeller,car body battery case electric motor any meter for measuring electricity lamp bulb tube face wheel switch burning glass illuminant prism wire magnet compass concave lens pulley. |
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Contact Person: Mr.YeWei Chen
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