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Water Electrolysis Experiment Device, Hydrogen Production, Oxygen Production Device, 15ml J26002, Water Ionization Decomposition, Junior High School Ninth Grade Chemistry Demonstrator, Teaching Instrument, Demonstration Equipment, Invoicing
Model: t43053782660
Water Electrolysis Experiment Device, Hydrogen Production, Oxygen Production Device, 15ml J26002, Water Ionization Decomposition, Junior High School Ninth Grade Chemistry Demonstrator, Teaching Instrument, Demonstration Equipment, Invoicing
US$10.35
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Sliding Rheostat 20 Ohms, High-Quality for Teacher Demonstration, 5 Ohms, 10 Ohms, 50Ω, 200Ω, for Middle School Physics and Electricity Experiments, Adjustable Resistance, Resistor Coil, Middle School Physics and Electricity Experiment Equipment
Model: t912578944790
Sliding Rheostat 20 Ohms, High-Quality for Teacher Demonstration, 5 Ohms, 10 Ohms, 50Ω, 200Ω, for Middle School Physics and Electricity Experiments, Adjustable Resistance, Resistor Coil, Middle School Physics and Electricity Experiment Equipment
US$14.97
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21034 Centrifugal Orbital Motion Demonstrator High School Physics Elementary Science Roller Coaster Model Mechanics Teaching Aids Inertia Centrifugal Force Experiment Circular Motion Science Display Kindergarten Centripetal Force
Model: t43335183864
21034 Centrifugal Orbital Motion Demonstrator High School Physics Elementary Science Roller Coaster Model Mechanics Teaching Aids Inertia Centrifugal Force Experiment Circular Motion Science Display Kindergarten Centripetal Force
US$16.01
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Electromagnetic Coil Experimenter Demonstrator Right-Hand Rule Magnetic Field Small Magnet Needle Magnetic Powder Physics Teaching Instrument
Model: t531547327190
Electromagnetic Coil Experimenter Demonstrator Right-Hand Rule Magnetic Field Small Magnet Needle Magnetic Powder Physics Teaching Instrument
US$14.34
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Gasoline Engine Model J31008 Diesel Engine Model J31009 Engine Small Fuel Machine Four-Stroke Internal Combustion Machine Model Junior High School Physics Experimental Equipment Teaching Instrument Model Teaching Aids
Model: t533701718923
Gasoline Engine Model J31008 Diesel Engine Model J31009 Engine Small Fuel Machine Four-Stroke Internal Combustion Machine Model Junior High School Physics Experimental Equipment Teaching Instrument Model Teaching Aids
US$22.62
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Spring Oscillator Horizontal Air-Cushion Type Double-Spring Type Spring Oscillator with Scale Simple Harmonic Vibration Law Experimenter Demonstrator Junior High School and High School Physics Teaching Instrument Teaching Aids J22018
Model: t582971419390
Spring Oscillator Horizontal Air-Cushion Type Double-Spring Type Spring Oscillator with Scale Simple Harmonic Vibration Law Experimenter Demonstrator Junior High School and High School Physics Teaching Instrument Teaching Aids J22018
US$16.13
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Magnetic Field Line Demonstration Board, Stereo Magnetic Field Line Demonstrator, Experimenter for Teacher Demonstration, 24003 Electromagnetic Field Current Magnetic Field Demonstrator, Junior High and High School Physics Experiment Equipment, Teaching Instrument
Model: t43381023519
Magnetic Field Line Demonstration Board, Stereo Magnetic Field Line Demonstrator, Experimenter for Teacher Demonstration, 24003 Electromagnetic Field Current Magnetic Field Demonstrator, Junior High and High School Physics Experiment Equipment, Teaching Instrument
US$12.62
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Lung Breathing Model Diaphragm Movement Simulation Demonstrator Human Organ Intercostal Muscle Contraction and Expansion Chest Cavity Changes Lung Working Principle Atmospheric Pressure Elementary School Junior High School Science Biology Teaching Aids
Model: t709060945086
Lung Breathing Model Diaphragm Movement Simulation Demonstrator Human Organ Intercostal Muscle Contraction and Expansion Chest Cavity Changes Lung Working Principle Atmospheric Pressure Elementary School Junior High School Science Biology Teaching Aids
US$10.07
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Fluid Velocity and Pressure Relationship Demonstrator 21022 Large Size Middle School Physics Laboratory Demonstration Equipment Teaching Instrument Experimental Equipment Teaching Aids
Model: t43735982214
Fluid Velocity and Pressure Relationship Demonstrator 21022 Large Size Middle School Physics Laboratory Demonstration Equipment Teaching Instrument Experimental Equipment Teaching Aids
US$15.24
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Internal Force Demonstrator, Gravitational Interaction between Solid Molecules, Metal Hook Lead Block Scraper, Junior High School Physics Logical Thinking Experiment Teaching Aids, Physics Mechanics Experiment Equipment Teaching Aids
Model: t44432273134
Internal Force Demonstrator, Gravitational Interaction between Solid Molecules, Metal Hook Lead Block Scraper, Junior High School Physics Logical Thinking Experiment Teaching Aids, Physics Mechanics Experiment Equipment Teaching Aids
US$14.55
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Resistor Box 0-9999.9 Ohms 0.1 Adjustable Standard Teaching Resistor Box Rheostat Box Dc Ac Student Teaching Use 0-9999Ω Ohms Junior High School Physics Experiment Teaching Instrument 2361
Model: t43352175358
Resistor Box 0-9999.9 Ohms 0.1 Adjustable Standard Teaching Resistor Box Rheostat Box Dc Ac Student Teaching Use 0-9999Ω Ohms Junior High School Physics Experiment Teaching Instrument 2361
US$14.95
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J29019 Object Thermal Expansion and Contraction Material Experiment Copper Ball Plastic Ball Iron Hoop Elementary School Science Experiment Equipment Three-Piece Set Solid Thermal Expansion Equipment
Model: t582833054004
J29019 Object Thermal Expansion and Contraction Material Experiment Copper Ball Plastic Ball Iron Hoop Elementary School Science Experiment Equipment Three-Piece Set Solid Thermal Expansion Equipment
US$10.30
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Metal Weight Set 50g Combination Set of Weights 10g 20g 50g 200g Set for Elementary, Middle, and High School Physics Experiment Equipment, Exploration Experiment Mechanics Equipment, Balance Teaching Instrument, Teaching Aids
Model: t43137975916
Metal Weight Set 50g Combination Set of Weights 10g 20g 50g 200g Set for Elementary, Middle, and High School Physics Experiment Equipment, Exploration Experiment Mechanics Equipment, Balance Teaching Instrument, Teaching Aids
US$11.71
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Pump Model, Piston Pump, Water Pressure Well Model, Physical Mechanics Pressure, Experimental Instruments and Equipment
Model: t43404445929
Pump Model, Piston Pump, Water Pressure Well Model, Physical Mechanics Pressure, Experimental Instruments and Equipment
US$17.31
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Square Coil Square Copper Coil J11019 Oersted Experiment Copper Coil Physics Experiment Electromagnetic Induction
Model: t43750293446
Square Coil Square Copper Coil J11019 Oersted Experiment Copper Coil Physics Experiment Electromagnetic Induction
US$10.46
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Eyeball Imaging Experimental Model for Correcting Myopia with Convex Lenses, Middle School Science Optical Experiment, Myopia Magnetic Lens, Hyperopia Normal Eyeball Structure Simulation Demonstrator
Model: t1005882202937
Eyeball Imaging Experimental Model for Correcting Myopia with Convex Lenses, Middle School Science Optical Experiment, Myopia Magnetic Lens, Hyperopia Normal Eyeball Structure Simulation Demonstrator
US$10.33
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All-Glass Distillation Flask Flat Bottom Round Bottom Essential Oil Extraction Distiller Distilled Water Making 500/1000ml Hydrosol Purification Device Set Chemical Experiment Equipment
Model: t834185287264
All-Glass Distillation Flask Flat Bottom Round Bottom Essential Oil Extraction Distiller Distilled Water Making 500/1000ml Hydrosol Purification Device Set Chemical Experiment Equipment
US$13.31
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Magnetic Laser Pointer with Beam Splitter, Infrared Laser Light Pointer with Beam Splitter, Physics and Optics Experimental Equipment for Middle and High School, Teaching Instruments, Science and Education Equipment, Reflection and Refraction of Light
Model: t748406764110
Magnetic Laser Pointer with Beam Splitter, Infrared Laser Light Pointer with Beam Splitter, Physics and Optics Experimental Equipment for Middle and High School, Teaching Instruments, Science and Education Equipment, Reflection and Refraction of Light
US$14.07
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High-Definition 100X Magnification Handheld Microscope for Primary and Secondary School Students, Portable Children's Mini Magnifier with Led Light, Suitable for Printing and Dot Inspection, High Magnification with Scale, Simple and Compact, Genuine Product
Model: t992643964897
High-Definition 100X Magnification Handheld Microscope for Primary and Secondary School Students, Portable Children's Mini Magnifier with Led Light, Suitable for Printing and Dot Inspection, High Magnification with Scale, Simple and Compact, Genuine Product
US$13.96
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Glass Gas Washing Bottle, Gas Washing Device, Gas Washing Bottle Filter, Filtration Device, Glass Bottle Set, Gas Collecting Bottle, Large Mouth Bottle, Wide Mouth Bottle with Double-Hole Rubber Stopper, Glass Tube, Junior High School Chemistry Experiment
Model: t660481302638
Glass Gas Washing Bottle, Gas Washing Device, Gas Washing Bottle Filter, Filtration Device, Glass Bottle Set, Gas Collecting Bottle, Large Mouth Bottle, Wide Mouth Bottle with Double-Hole Rubber Stopper, Glass Tube, Junior High School Chemistry Experiment
US$9.46
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