scientific experiment sound wave imaging instrument technology small production primary school students‘ visible sound manual assembly model_彤彤外贸

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scientific experiment sound wave imaging instrument technology small production primary school students‘ visible sound manual assembly model

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scientific experiment sound wave imaging instrument technology small production primary school students‘ visible sound manual assembly model

科学实验声波成像仪科技小制作小学生看得见的声音手工拼装模型

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USD $1.15
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USD $0.86
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USD $0.81
≥1000/bag

1 bag

Weight 0.324 kg/bag

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Specifications

Specifications		Stock	Quantity
acoustic image(声波声像)	USD $0.0	86286 bag available
使用时，嘴巴完全放入传声筒内发声，成像更佳！	USD $0.0	99944 bag available

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