Product Code: CHINALSCHOOLS9291017
Categories: Science Teaching Kits Suppliers
Air Pressure Demonstrator Science Teaching Kits Suppliers China
Consisting of a plastic cup with Φ63mm at top and Φ57mm at bottom x 85mm high, thickness of 2.3mm, 2 suction hooks inside, a spring Φ12mm x 24mm,a 5 ml plastic syringe
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