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39 sold.
56,425 so'm
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10 sold.
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Object thermal expansion and contraction experimental material large experimental copper ball plastic ball iron hoop primary school science teaching equipment
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35,736 so'm
29025 bar magnet primary school science experiment equipment for students teaching instrument teaching aids small size bar magnet
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10 sold.
7,054 so'm
Mechanical pendulum model, pendulum experimental device, control gear pendulum, pendulum experimental materials
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16024 light wind meter wind direction anemometer experimental equipment teaching instrument light wind meter
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Lever ruler and bracket teaching aluminum alloy lever balance condition physical science teaching experimental instrument equipment weight
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Glass Burette Glass Scale Burette Experimental Equipment 10ml 25ml 50ml
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Digital Display Constant Temperature Water Bath Bio Experiment Equipment Teaching Instrument Electric Heating Water Constant Temperature
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Archimedes principle experimental device overflow Cup floating body weight with hanging ring 120g water leakage-free physical buoyancy equipment
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30 sold.
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Toy Periscope model simple periscope making detachable physical optical experimental equipment
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237 sold.
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J30501 clock model teaching demonstration with two needles non-linkage clock face Model Primary School mathematics teaching instrument
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DC ammeter 2.5 Level 69 type junior high school physics electrical experiment equipment instrument teaching instrument ammeter
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27,743 so'm
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