DNA Rapid Hybridization Instrument 27023 Digital Display Intelligent Temperature Control Senior high school Biology Demonstration Teaching Experimental Instrument Junior High School 0.00 sold.3,753,876 so'm
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31021 lathe transmission model physics demonstrator experimental instrument teaching instrument university junior high school machinery 0.00 sold.611,268 so'm
26017 chemistry experiment wastewater treatment device teaching waste liquid treatment equipment 12.8 rising experimental instrument 0.00 sold.1,932,314 so'm
J2458 Teaching Oscilloscope 15020 Senior high school Physical and Electrical 2MHz-5MHz Sound Wave Demonstration Experiment Digital Display 0.00 sold.3,441,053 so'm
15017 demonstration micro current resistance meter teaching micro DC current detection DC voltage resistance measurement circuit science 0.00 sold.799,351 so'm
Planck constant tester 25116 atomic physics photoelectric effect demonstration instrument constant teaching experiment Senior high school 0.00 sold.2,658,996 so'm
04005 teaching power supply AC/DC 12V/2A regulated voltage output electrical 6-gear junior high school experimental instrument 0.00 sold.517,227 so'm
Electric Resonance Demonstrator 24059 Senior high school Teaching Experimental Instrument Electromagnetic School Student Physics Factory 0.00 sold.846,371 so'm
J21028 Senior high school statics demonstration teaching aids physics experiment equipment teaching instrument 0.00 sold.1,309,680 so'm
J21064 Kinetic Energy Potential Energy Demonstrator Kinetic Energy Potential Energy Conversion Mechanical Energy Conservation Teaching Instrument for Primary and Secondary Schools 0.00 sold.752,330 so'm
24063 Electromagnetic Wave Interference Diffraction Polarization Demonstrator Physics Experiment Device Teaching Instrument High School General Education 0.01 sold.3,378,489 so'm
Electromagnetic Oscillation Demonstrator 24061 Senior high school Teaching Experimental Instrument Electrical School Science Student Physics Factory 0.00 sold.728,820 so'm
Newton's second law experimental instrument 21059 demonstration instrument geography physics experimental equipment teaching instrument high school 0.00 sold.517,227 so'm
J24029 student signal generator physics experiment equipment teaching instrument middle school teaching aids 0.00 sold.611,268 so'm
J21039 electric centrifugal turntable adjustable speed stepless speed Senior high school physics experiment equipment teaching instrument teaching aids 0.00 sold.846,371 so'm
15033 virtual electronic test instrument system physics experiment equipment teaching instrument Senior high school junior high school demonstration 0.00 sold.1,180,859 so'm
J21049 motion synthesis decomposition demonstrator Senior high school physical mechanics experimental equipment teaching instrument 0.00 sold.822,861 so'm
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24050 Transformer Principle Illustrator J2425 Demonstration Teaching Experimental Instrument High School Physics Manufacturer 0.00 sold.1,094,978 so'm
Ultra-clean workbench 02089 purification clean microbial detection teaching experimental instruments high school students physics manufacturers 0.00 sold.4,379,522 so'm
31018 steam turbine model blowing physics demonstrator experimental instrument teaching instrument university junior high school 0.00 sold.517,227 so'm
J2459 student oscilloscope 15022 Senior high school physical chemistry biology demonstration teaching experimental instrument junior high school 2mhz 0.00 sold.2,815,407 so'm
DNA electrophoresis map observation instrument demonstration teaching blue light biological physical observer experimental instrument junior high school 0.00 sold.1,202,329 so'm
34019 plate tectonics and surface morphology model concave-convex large map geography demonstration teaching junior high school 0.00 sold.272,720 so'm
Galileo ideal inclined plane demonstrator initial Senior high school physics experimenter aluminum alloy slide physics experimental equipment 0.00 sold.564,248 so'm
J23045 Junior High School Physics Experiment Equipment Physics Instruments Learning Tools Middle School Teaching Instruments 0.00 sold.145,764 so'm
J21029 Senior high school mechanics demonstration board physics experiment equipment student supplies teaching instrument 0.00 sold.1,159,389 so'm
22015 fluctuation demonstrator physics demonstrator suitcase experimental equipment teaching instrument Senior high school new curriculum standard 0.00 sold.1,030,568 so'm
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J22223 Boyle's Law Demonstrator Boyle's Law High School Physics Experiment Equipment Teaching Instrument 0.00 sold.329,145 so'm
J32027 gas molar volume model Senior high school chemical physics teaching instrument experimental equipment 3130 new curriculum standard 0.00 sold.244,508 so'm
31024 mechanical mechanism model five-piece demonstrator experimental teaching instrument cam double crank rocker slider 0.00 sold.352,655 so'm
330mm transparency meter type method water detection 16052 experiment portable teaching instrument high school 600mm 0.00 sold.1,631,732 so'm