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Plant cell model J3201 type explain plant cell structure instrument junior and senior high school science experiment equipment 0.015 sold.141,062 so'm
16022 rain gauge rainfall test primary school science teaching instrument? Rain gauge 5.02,924 sold.37,617 so'm
Three-color synthesis demonstrator of light three-color light source Junior High School physical optics experiment teaching instrument 5.0203 sold.37,617 so'm
Junior high school teaching power supply 0-12v every 2V a gear a total of 7 gear 04005 type junior high school physics teaching instrument 0.037 sold.658,289 so'm
23056 parallel plate capacitor high school physics demonstration experiment teaching instrument material teaching aids manufacturer Zhongmao 0.015 sold.178,679 so'm
Magdebao hemisphere (cast iron) Magdeburg hemisphere iron Ball tester J2115 Science and Technology Experiment Teaching Instrument 0.031 sold.291,528 so'm
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Li Chen 10L water cut-off automatic control electric heating stainless steel distilled water small laboratory automatic water cut-off distilled water machine 4.89 sold.2,462,170 so'm
Laboratory stainless steel lifting platform 200mm × 200mm manual lifting platform experimental bracket 1.03 sold.235,103 so'm
Junior High School physical optics experiment box equipment optical bench concave-convex lens imaging plane mirror refraction reflection of light 5.02 sold.399,676 so'm
Copper alcohol burner high temperature 1000 ° seat type alcohol burner chemical experiment glass tube heating alcohol lamp 5.015 sold.164,573 so'm
Root longitudinal section model J33202 junior and senior high school biological botany teaching instrument experimental equipment corn root tip 5.029 sold.169,275 so'm
Kindergarten district discovery room life understanding human organ model juvenile human body half-body model 5.0148 sold.564,248 so'm
39152 Earth interior structure model English version earth interior structure model geographic model globe 5.015 sold.564,248 so'm
Bimetal Sheet with Handle Copper Sheet Iron Sheet Thermal Expansion Coefficient Comparison Physics Experiment Equipment Teaching Instrument Teaching Tool 5.0109 sold.70,531 so'm
Two-force balance demonstrator explore two-force balance condition disc physical mechanics experiment equipment teaching instrument 0.04 sold.178,679 so'm
Rock specimen J49006 teaching primary school middle school geography geology limestone slate granite rock specimen 0.03 sold.70,531 so'm
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Battery Box No. 1 Battery) Can Be Connected to Parallel 04010 Electrical Physics Experimental Equipment Teaching Instrument 0.01 sold.5,173 so'm
Bud structure model plant seed embryo model junior and senior high school biology teaching display science and education instrument 4.875 sold.188,083 so'm
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Cross Clamp Iron Frame Table Accessories Chemical Laboratory Instrument Double Top Wire Turnbuckle Fixing Clip Burning Bottle Clip 5.0535 sold.13,166 so'm
Metal Burning Bottle Clamp Test Tube Clamp Iron Frame Stand Square Stand Accessories Chemical Experiment Equipment Teaching Instrument Wholesale 5.044 sold.13,166 so'm
Periscope Removable Assembly Materials Optical Refraction Propagation Primary School Science Teaching Instrument 5.0168 sold.28,213 so'm
Chuda DC45MM serrated Chinese compass gift style high quality price lightweight portable north pointer 5.0157 sold.4,703 so'm
Mineral extract specimen primary school science experiment equipment popular science instrument teaching instrument wholesale 5.01 sold.28,213 so'm
Mineral extract specimen primary school science experiment equipment popular science instrument teaching instrument wholesale 5.01 sold.28,213 so'm
Solar battery demonstrator 29015 application materials of solar energy new energy power generation demonstrator 0.03 sold.178,679 so'm
16054 simple colorimeter Photoelectric Determination of colored substance content in solution absorption photometry colorimetric analysis 5.026 sold.1,915,021 so'm
Absorbent Paper Chemical Biological Experiment Filter Paper Test Paper Microscope Absorbent Cleaning Dust Biological Laboratory Consumables 4.91,688 sold.7,054 so'm
Pointer electroscope with single electrometer to verify electrostatic Faraday cylinder physics experimental equipment teaching 5.023 sold.160,811 so'm
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Nail board 140 * 140mm students use nail board Primary School Mathematics factory direct sales, teaching instrument supply 5.01 sold.4,703 so'm
Solar structure model internal structure external Corona prominence black flare astronomical geography teaching aids instrument 5.08 sold.752,330 so'm
Special offer J0415 DC microammeter ammeter Middle School physics experiment equipment teaching instrument experiment device 5.027 sold.75,233 so'm