Sliding rheostat 5Ω 10Ω 20Ω 50Ω 100Ω 200Ω physical and electrical experimental instrument
0.0
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Object sinking experiment box J216 primary school science experiment equipment explore the buoyancy teaching instrument of water
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726 sold.
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Fuxinglong Factory Price Sales Supply Bomei Hydrometer 0-5, 0-70 (density 1.0-2.0)
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Alcohol meter manufacturer American liquor alcohol precision 0-200 alcohol measuring instrument alcohol measuring device alcohol meter 100
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Plastic Box alcohol meter three groups alcohol meter alcohol specific gravity concentration meter English suit alcohol meter
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Continuous digital micro adjustable pipette single channel multi channel pipette gun head sampler large capacity tip discount
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Absorbent Paper Chemical Microscope Cleaning and Dust Removal Boxed Absorbent Paper Laboratory Consumables Equipment Chemical Experiment
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Handheld sieve plastic sieve soil sieve replaceable screen primary school science experiment teaching instrument
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16,458 so'm
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Air cylinder dual-purpose air cylinder handheld manual air pump 02013 physical teaching instrument experimental supplies
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Electrostatic induction motor Electrostatic demonstration teaching aids Leiten bottle Vickers motor Electrostatic generator
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J2708 biological dissector four-piece set 4-piece specimen making biological displane biological teaching instrument
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1008 dual-purpose air pump for physical experiment pedal pump pump dual-purpose air pump
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Glass Alcohol Meter Alcohol Meter Liquid Permeate Hydrometer Density Meter Floatometer
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Triangular prism optical glass seven-color rainbow photo props gift 5/10/15cm Mitsubishi mirror optical tester
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DC ammeter middle school physical Electrical Experiment teaching instrument instrument pointer electric meter ammeter wholesale
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J24018 small motor model detachable electrical assembly physics experiment equipment teaching instrument
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1,006 sold.
65,829 so'm
Metal hook code 50g * 10 hook code combination mechanics experiment hook code lever principle mechanics teaching instrument
4.9
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DC current voltmeter ac ammeter microampere projection meter meter sensitive galvanometer physical equipment
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Manufacturer Sales Ba Mebi Heavy Meter 0-70Be Baomei Hydrometer Density Meter 1.0-2.0 for Chemical Planting Industry
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Ball A tuning 440Hz tuning fork \musical instrument tuning fork \music tuning fork
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Outdoor Travel Adventure camping off-road travelers riding map two-point scale odometer multi-function rangefinder
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4,014 sold.
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Resistance Ring Fixed-value Winding Resistor 5101520 a Set of Junior High School Physics Teaching Instruments Electrical Experimental Equipment
5.0
1,370 sold.
8,464 so'm
Balance teaching aids for teaching primary school gram kilogram learning tools for grade 2, grade 3, grade 5, number of experimental equipment for students
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167 sold.
31,880 so'm
wooden lever aluminum alloy lever sliding lever physics lever balance principle mechanics experimental conditions
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21,160 so'm
Anatomical Wax Disc Biological Specimen Disc Laboratory Biology Teaching Anatomical Disc Wax Disc Biological Anatomical Stainless Steel Wax Disc
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Pallet balance 1-2-5-1000g mechanical balance student experimental rack scale factory outlet
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171 sold.
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Animal and Plant Cell Contrast Model Animal Cell Model Plant Cell Model Junior High School Biological Equipment
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146 sold.
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parallel plate capacitor
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Soil profile specimen community popular science exhibition natural soil profile science textbook geographical specimen observation
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2-inch laser dragon hunting compass 24 mountain feng shui compass precise automatic positioning portable mountain compass
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Aluminum Alloy lifting adjustable tripod alcohol lamp tripod teaching instrument chemistry laboratory instrument
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Terminal Cap Crimp Cap Terminal Block Experimental Wire Connection Nut Experimental Equipment Accessories Teaching Instrument
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Stainless Steel Biological Anatomical Disc Wax Disc Laboratory Teaching Anatomical Disc Teaching Instrument Biological Specimen Fixed Disc
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37,617 so'm
Liquid surface tension demonstrator Super Soap bubble science experiment physics teaching instrument material teaching aids
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23008 New electrostatic induction motor teaching instrument physical demonstration experiment generator experimental instrument
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111 sold.
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02003 punching plywood chemical teaching aids wooden rubber plug punching student instrument punching plywood
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Fault structure and barrier Graben development model J34021 Middle School geographical crust movement seismic fault
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