Teflon stirring rod chuck copper chuck stainless steel new Teflon stirring rod teaching equipment manufacturers supply 0.00 sold.112,850 so'm
Airfoil Magnetic Needle Physics Experimental Equipment 31851 Oster Experimental Demonstrator 0.00 sold.282,124 so'm
99-8 High-Power Magnetic Stirrer Large-Capacity Magnetic Heating Stirrer Thermostat Stirrer 0.00 sold.2,465,590 so'm
Plastic Test Tube Rack Experimental Teaching Instruments Various Specifications Test Tube Rack for Test Tubes 0.00 sold.56,425 so'm
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Lightning Rod Principle Demonstrator Portable Multifunctional Physical and Electrical Science Teaching Instrument 0.00 sold.611,268 so'm
Archimedes principle demonstrator middle school physics buoyancy experiment demonstration equipment teaching instrument 0.00 sold.178,679 so'm
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Clock Model 10cm Three-needle Linkage Clock Face Primary School Grade One and Two Children's Learning Tools Learning and Understanding Time Teaching Tools 5.044,950 sold.4,938 so'm
Oster Experimental Demonstrator Verifies the Presence of Magnetic Field Around Energized Conductor Initial Senior high school Physics Teaching Instrument 0.00 sold.554,844 so'm
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Dispersion and Synthesis of White Light Demonstrator Physical Optics Parallel Light Source Triangular Prism Teaching Equipment Experiment 0.00 sold.141,062 so'm
304 stainless steel iron stand chemical experiment equipment teaching instrument full set of stainless steel multi-function 0.00 sold.399,676 so'm
F-word light source instrument optical bench middle school optical teaching instrument physics experiment instrument 0.00 sold.56,425 so'm
The teaching mechanical energy of the air compression ignition instrument is converted into internal energy thermal experimental equipment ignition device J22203 0.00 sold.84,638 so'm
Ampere force demonstrator magnetic field acting on current experimental instrument teaching instrument primary Senior high school physics electromagnetic equipment 0.00 sold.178,679 so'm
21067 Flat Throwing and Collision Tester Synthetic Decomposition Physical Mechanics Tester for the Trajectory Force of Flat Throwing 0.00 sold.197,487 so'm
Hj-6B Dual Digital Display Constant Temperature Multi-Head Magnetic Heating Stirrer Speed Measurement Multi-Station Submersible Stirrer Intelligent 0.00 sold.6,105,509 so'm
Fourth grade mineral rock specimen box primary school geography science ore mica fossil observation stone teaching aid 0.00 sold.18,809 so'm
Hand-cranked generator junior high school physics electrical experimental equipment teaching instrument DC generator DIY motor 0.00 sold.94,042 so'm
Tripod tripod for alcohol lamp can be removed and lifted, and various materials support teaching experimental equipment 0.00 sold.11,756 so'm
Electrical Physics Experimental Equipment Hexagonal Copper Sliding Rod Sliding Rheostat for Teaching 5Ω3A10Ω2A20Ω2A5 0.00 sold.84,638 so'm
Junior high school digital display student power supply 1.5~9V/1.5A voltage regulator/middle school physics experiment equipment teaching equipment 0.00 sold.352,655 so'm
Black Box of Electrical Components J24056 Circuit Black Box Black Box New Curriculum Standard Physics Teaching Instrument Material for Middle and High School 0.00 sold.70,531 so'm
Solution Conductivity Demonstrator Electrolyte Conductivity Experimental Equipment Diode Display Graphite Electrode Teaching Instrument 0.00 sold.1,159,389 so'm
Micro stainless steel spoon 304 stainless steel spoon 22cm small sampling spoon for laboratory use 0.00 sold.6,771 so'm
Tianbo glass measuring cylinder measuring high borosilicate measuring cylinder genuine goods guarantee over-inspection 0.00 sold.31,975 so'm
PE hollow stopper capacity bottle stopper plastic label interchangeable rubber stopper wear-resistant plug 24# funnel 0.00 sold.2,352 so'm
21067 flat throw and collision tester Synthetic decomposition mechanical test instrument for flat throw motion trajectory forces 0.00 sold.197,487 so'm
New 4X30 Children Source Source Student Binoculars HD High-powered Telescope Student Telescope Teaching 0.00 sold.30,564 so'm
Solution Conductivity Demonstrator Electrolyte Electronic Chemistry Teaching Instrument DC Portable Experimental Model 0.00 sold.940,412 so'm