10-hole test tube rack wooden test tube rack 10-hole aperture 22mm chemical experiment instrument teaching instrument 5.042 sold.37,617 so'm
Pump model piston/hydraulic well model J31003 physical experiment equipment teaching model 5.0394 sold.159,871 so'm
Gas Storage Device Junior High School Senior high school Chemical Gas Storage Experimental Equipment Physical and Chemical Students Teaching Instrument School Demonstration Teaching 0.05 sold.155,168 so'm
Ampaili demonstrator pointer-type ampaili demonstrator can change the direction of magnetic field teaching instrument experimental equipment 0.0176 sold.263,316 so'm
2513 laser optics Demonstrator High school physics laboratory Teaching instruments Teaching AIDS Light propagation Plane mirror 5.07 sold.2,462,170 so'm
J22016 Wave-emitting sink direct-cast electric wave source with synchronous stroboscopic light source teaching experimental instrument Senior high school physics 0.032 sold.1,545,851 so'm
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23008 electrostatic induction motor electrostatic generator electrostatic demonstration experiment electrical teaching instrument 5.071 sold.493,717 so'm
21034 centrifugal track with ball catching net centrifugal force experimental equipment teaching instrument Middle School physics teaching aids 5.0136 sold.188,083 so'm
Guanlong Electronic Scale 0.001g Precision Balance Scale with Three-color Alarm Lamp Upper and Lower Limit Counting Weighing Checkweighing Platform Scale 5.026 sold.1,481,441 so'm
in stock Chengdu Ruibao brand RBM-350 film transmitter capacitance film gauge KF16 genuine goods can be invoiced 0.04 sold.23,782,320 so'm
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Plastic Nail Board 14CM16CM20CM Student Double-sided Nail Column 20518 Teaching Instrument Young Teaching Aids Manufacturer 5.064 sold.4,467 so'm
Chuda outdoor mountaineering buckle exploration compass zinc alloy portable compass DC27T training giveaway 5.0423 sold.16,458 so'm
Airfoil magnetic needle large magnetic needle magnetic needle physical science teaching instrument bulk supply J11005 5.079 sold.14,107 so'm
Plastic cup with hole at the bottom of the 30602001078 with rubber cap diameter 53 * height 70 0.0125 sold.9,405 so'm
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US imported 3m 5870 Littmann Classic three generations stethoscope black with color chest film 0.017 sold.2,277,507 so'm
Gasoline engine diesel engine model J31008 four-stroke internal combustion engine fuel engine physical experiment equipment teaching instrument 0.0185 sold.210,653 so'm
33103 Paramecium Model Junior High School Senior high school Biological Model Scientific Instruments Teaching Equipment Experimental Equipment 0.06 sold.178,679 so'm
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Dpdt Switch Dpd Switch Electrical Experiment Series Parallel Physics Experiment Equipment 0.054 sold.23,511 so'm
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Large cross clip right angle clip double top wire Blue Knob universal clip experimental equipment 5.027 sold.18,339 so'm
Factory supply J0409 sensitive galvanometer student electricity meter, junior high school physical chemistry experiment instrument 4.925 sold.59,811 so'm
Sartorius Electronic Balance BSA High Precision Analytical Balance for Students in Foreign School Laboratory 0.07 sold.794,649 so'm
The understanding of the fourth-order decimal teaching aids within ten thousand numbers in the second grade of primary school mathematics has a large number carry model. 5.019 sold.141,062 so'm
[Laboratory dedicated] eye washer double-Port emergency spray vertical desktop industrial device fog nozzle 0.014 sold.371,463 so'm
Foil electroscope (for students) electrometer physical experiment equipment teaching instrument 0.06 sold.47,021 so'm
Capillary Phenomenon Presenter Middle School Physics Teaching Instrument 22219 Capillary Phenomenon Presenter 0.04 sold.94,042 so'm