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size
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CN¥ 0.0 | 1000 piece available |
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| 5 *.3.7cm | CN¥ 0.0 | 999 piece available |
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Qinghua science instruments 14yr.
Contacts:zheng Chat
Mobile:86-13750965003
E-mail:2403396147@qq.com
Packaging information
CTN Size: 42 × 36 × 32 cm
G.W./CTN:13 kg
QTY/CTN:48 piece/carton
Remark: Please contact to confirm the shipping time after placing an order (stock is subject to real-time changes).
Explore the mysteries of sound propagation! This assembly earth phone teaching tool is made of high-quality materials, with safety certification, and its core selling points include intuitively demonstrating sound wave transmission and the fun of hands-on assembly.
Addressing the pain points of boring classroom experiences, stimulating students' interest in science, brand endorsement ensures quality reliability, making physics learning filled with emotional resonance and a sense of achievement.
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