Self-Made Earth Phone to Understand the Way of Sound Transmission and Secret Science and Education Inventions_青华科教仪器有限公司_yiwubuy

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Self-Made Earth Phone to Understand the Way of Sound Transmission and Secret Science and Education Inventions

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Self-Made Earth Phone to Understand the Way of Sound Transmission and Secret Science and Education Inventions

自制土电话了解声音传播的方式和秘密科教小发明

EXW Price: Min. order:

¥1.6
≥50/set

¥1.5
≥300/set

50 set

Exchage Rate 1 CNY ≈ 0.1419 USD

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Specifications		Stock	Quantity
自制土电话	¥0.0	6083 set available

Summary 0 set Subtotal:¥ 0 Selected ∧

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