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Teaching instrument | 2,000+ products
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31037 hydraulic transmission model hydraulic jack structure model demonstration instrument high school physics experiment
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60cm long wooden board wooden inclined plane adjustable angle height junior high school physics mechanics experiment equipment teaching instrument
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Friction lifting electric rod J2302 glue rod attached with fur physical Friction electrostatic experimental equipment scientific experiment
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Multi-purpose electric meter 15011 Middle School Physics Experiment instrument for students junior high school physics instrument teaching equipment
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128 medical nerve tuning fork ear picking tuning fork (internal examination of God vibration feeling Ent examination)
4.5
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Stainless Steel Dissecting Needle Laboratory Anatomy Biological Insect Dissecting Needle Specimen Making Experimental Probe Teaching Tool
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Stainless steel lifting table 10cm15cm20cm manual micro simple manual control laboratory instrument material
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For semi-quantitative detection of nerve tuning fork foot deep sensory diagnostic device Ryder-Seiffer tuning fork
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Double-pole double-throw switch J23034 junior high school Senior high school physics circuit electrical experiment student teaching instrument
0.0
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Electronic starting and electrical equipment cutting-edge electrostatic discharge device Junior High School physical instrument teaching instrument electrostatic learning
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