Metal stainless steel aluminum alloy lever ruler 50cm with scale lever ruler mechanical balance metal hook code set 5.0350 sold.65,829 so'm
Hydrogen fuel cell demonstrator experimenter two proton exchange membrane electrode instrument high school physics teaching tool 26020 0.01 sold.987,433 so'm
J21027 Physical Mechanics Experiment Initial Senior high school Physics Teaching Instrument 5.03 sold.136,360 so'm
Handheld spectroscope physics teaching optics handheld direct-view spectroscope J22550 teaching instrument 0.03 sold.164,573 so'm
Device for the determination of oxygen content in the air Determination of oxygen volume content Set Chemical laboratory equipment Teaching AIDS 0.020 sold.93,101 so'm
01012 Calculator Simple primary school science mathematics student experimental equipment teaching instrument 0.02 sold.42,319 so'm
Temporary Loading Slice Making Tool Junior High School Biology Experimental Equipment Teaching Instrument Brush Iodine Blade Wood Block 5.0236 sold.7,054 so'm
Liquid pressure and depth relationship tester 21009-type physical experiment equipment junior and senior high school teaching instrument 5.065 sold.108,148 so'm
Light interference diffraction polarization demonstrator student optical experiment equipment junior and senior high school physics teaching instrument 0.09 sold.1,932,314 so'm
J24039 Lenz law demonstrator physical experiment equipment junior high school electrical Middle School teaching instrument 0.01 sold.69,591 so'm
39154 Sinan model compass model direction positioning instrument teaching demonstration model geography 5.04 sold.164,573 so'm
Ceramic evaporation dish 60mm coarse salt purification chemical experiment equipment evaporation pot teaching instrument 5.0394 sold.9,405 so'm
Manufacturers supply physical experiment Archimedes demonstrator buoyancy law experimental equipment Archimedes demonstrator 5.0328 sold.22,570 so'm
Optical parallel lens suit 7-piece concave-convex lens vision correction demonstrator can be equipped with three-line light source 5.0203 sold.30,564 so'm
Home lighting circuit demonstration board circuit lighting double control switch physical and electrical teaching instrument experimental equipment 5.05 sold.1,034,454 so'm
Tray balance 100g200g500g rack tray balance student balance all-metal mechanical balance teaching instrument 5.02 sold.7,054 so'm
Biological slice specimens, a complete set of biological slice teaching instruments for primary and secondary schools, 5 pieces, 10 pieces, 25 pieces, 50 pieces, 100 pieces 0.00 sold.347,953 so'm
Three prism optical glass photo props children's gift toys seven-color rainbow Mitsubishi mirror refraction experimental equipment 5.0105 sold.9,405 so'm
Motor model open DC small motor primary and secondary school physical electrical experiment demonstration equipment technology production 5.03,062 sold.18,903 so'm
New Curriculum Standard Geography Teaching Instruments Earth Structure Model Instruments and Equipment Physical Model Teaching Instruments for Primary and Secondary Schools 0.07 sold.352,655 so'm
Junior high school physics teaching experiment instrument foil electroscope teaching equipment friction electrification electrostatic small experiment set 5.08 sold.70,531 so'm
Junior high school physics optical experiment equipment full set experiment box student senior high school entrance examination Science three-line laser F light source 5.01,091 sold.329,145 so'm
Cube group with hook wood block aluminum block iron block brass block junior high school physics teaching instrument mechanics experimental equipment 5.05 sold.18,762 so'm
Kinetic energy potential energy demonstrator junior and senior high school physics teaching demonstration teaching aids transformation mechanical energy conservation experimental equipment 5.03 sold.940,412 so'm
Electronic cloud hybrid orbital model seven-piece S/SP/SP2/SP2/SP2/PX/PY/PZ chemistry teaching instrument 5.012 sold.846,371 so'm
Factory Direct hair soil profile specimen five-color soil primary school science geography biological equipment specimen wholesale 5.042 sold.47,021 so'm
J24038 High School electromagnetic induction demonstrator physics experiment teaching equipment Middle School teaching instrument 5.02 sold.1,803,493 so'm
DC ammeter J0415 2.5 grade, 200μA DC microammeter physics experiment instrument electric meter 0.01 sold.112,850 so'm
Newton pendulum energy conservation collision ball momentum transfer demonstrator physics teaching experimental equipment 5.0121 sold.84,638 so'm
Induction Box Biological Inoculation Box Uv Lamp Germicidal Box 27005 Biological Experimental Instrument Teaching Instrument 5.09 sold.775,840 so'm
Hair Wave Sink 22016 Direct Projection Hair Wave Sink Teaching Instrument Pneumatic Wave Source with Synchronous Frequency Flash Source 0.05 sold.1,717,612 so'm
Bronco Regular Measuring Instrument Procker Normally Measuring Instrument Teaching Instrument High School Physics Experimental Equipment 0.03 sold.1,502,911 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
Rubber gloves protective gloves chemical experiment thickened thick beef tendon latex rubber dishwashing gloves household gloves 5.030 sold.18,809 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
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
(Grade 8 Volume 1) physics experiment equipment suit full set of junior high school mechanics optics electromagnetism suit instruments 0.01 sold.1,374,090 so'm