23048 electrostatic test box shielding flocking dust test electric feather lightning rod experimental equipment Senior high school physical hazards 0.014 sold.1,034,454 so'm
04008 voltage regulating transformer primary Senior high school physical and electrical experimental equipment teaching aids for teachers 0.05 sold.517,227 so'm
25020 double slit interference experiment instrument Senior high school physics experiment equipment optical instrument middle school teaching instrument 0.013 sold.578,354 so'm
30307310601 safety electric teaching board physics new curriculum standard electrical teachers teaching aids professional teaching instrument 0.06 sold.705,309 so'm
Family circuit teaching board junior high school new curriculum standard family lighting circuit demonstrator teacher teaching instrument 0.00 sold.695,905 so'm
23042 electroscope connecting rod primary Senior high school physical and electrical experimental equipment teaching equipment for students 0.00 sold.18,809 so'm
80118 Student Experimental Paper Senior high school Physics Laboratory Consumables Electromagnetic Dot Timer Paper Tape Carbon Paper 0.00 sold.51,723 so'm
21050 Demonstration Rail Trolley Aluminum Alloy Trolley Towing Paper Tape Dot Type Senior high school Physics Teaching Instrument Wholesale 0.00 sold.423,186 so'm
23050-charge force demonstrator Coulomb's law The same kinds of charges repel each other Senior high school physics instrument 0.00 sold.432,590 so'm
23054 type potential demonstration instrument potential potential difference equipotential surface Senior high school physics experimental equipment teaching instrument 0.00 sold.352,655 so'm
Source Factory 21051 Rail Trolley Aluminum Alloy Trolley Towing Paper Tape Dot Type Senior high school Physics Teaching Instrument 0.00 sold.258,614 so'm
31013 Centrifugal Machinery Model Student Experimental Physics Equipment Primary Senior high school Physics Teaching Experimental Instrument 0.00 sold.352,655 so'm
24062 Electromagnetic Wave Transmission and Reception Demonstrator Primary Senior high school Physics Experiment Equipment Teachers' Teaching Aware 0.00 sold.1,288,209 so'm
24059 Electric Resonance Demonstrator Senior high school Teaching Experimental Instrument Electromagnetic School Student Physics Factory 0.06 sold.540,737 so'm
24048 detachable transformer Senior high school physical and electrical instruments experimental equipment teaching instruments teaching aids for teachers 0.010 sold.658,289 so'm
24047 AC circuit characteristic demonstrator The influence of inductance and capacitance on alternating current Physical electrical equipment 0.00 sold.507,823 so'm
25015 light refraction total reflection demonstrator teaching instrument junior high school physical optics experiment teaching equipment 0.00 sold.94,042 so'm
Source factory 24051 fluorescent lamp principle demonstrator self-inductance phenomenon Senior high school physics teaching instrument wholesale 0.00 sold.564,248 so'm
Manufacturer 24052 Lorentz force demonstrator Senior high school physics experiment equipment teacher teaching instrument 0.00 sold.1,374,090 so'm
25023 physics teaching instrument light polarization observer observer mathematical physics and chemistry laboratory teaching instrument 0.00 sold.39,968 so'm
24040 Electromagnetic Damping Demonstrator Primary Senior high school Electromagnetism Instrument Physics Teaching Experimental Equipment 0.060 sold.296,230 so'm
24037 self-inductance phenomenon demonstrator power-on self-inductance power-off self-inductance phenomenon early Senior high school physics teaching instrument 0.02 sold.611,268 so'm
24038 electromagnetic induction demonstrator physical electromagnetic teaching aids professional teaching instruments experimental equipment source factory 0.00 sold.540,737 so'm
24042 Single Turn Coil Motor Principle Demonstrator Teaching Instrument Physical Electromagnetic Electrical Factory Outlet 0.00 sold.282,124 so'm
24036 ampere force tester magnetic field on current tester Senior high school physics magnetic teaching aids 0.00 sold.61,127 so'm
24044 three-phase motor principle demonstrator Senior high school physics and electricity demonstration experiment teacher teaching instrument 0.00 sold.601,864 so'm
24039 Lenz's Law Demonstrator Physics Experimental Equipment Primary Senior high school Electrical Teachers Teaching Instruments Wholesale 0.00 sold.56,425 so'm
24033 electrified parallel straight wire interaction demonstrator Senior high school physics experiment equipment teaching instrument 0.00 sold.799,351 so'm
24035 Ampere Force Demonstrator Initial Senior high school Physics Electromagnetics Experimental Instrument Magnetic Field Around Energized Conductor 0.00 sold.319,741 so'm
24029 student signal generator Senior high school physics experiment instrument teacher teaching equipment factory direct sale 0.00 sold.470,206 so'm
24019 hand-cranked AC/DC generator primary Senior high school teaching experimental equipment physics Faraday electromagnetism 0.05 sold.272,720 so'm
Cathode Ray Tube Direct Tube Mechanical Effect Tube Electrostatic Deflection Tube Magnetic Effect Tube Physical Experiment 0.00 sold.789,947 so'm
Parallel plate capacitor 23056 Senior high school middle school physics experiment equipment physics demonstration equipment 0.00 sold.164,573 so'm
Factory direct supply 24032 type strong magnetic needle demonstration Oster experimental current magnetic field direction teaching instrument 0.00 sold.103,446 so'm
Experimental instrument for the simulation of charged particle motion in 23057 electric field Senior high school physics teaching aids 0.00 sold.517,227 so'm
24017 left and right hand rule demonstrator Senior high school physics electromagnetism magnetic induction phenomenon experimental equipment teaching instrument 0.00 sold.56,425 so'm