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31037 hydraulic transmission model hydraulic jack structure model demonstration instrument high school physics experiment
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10 pieces of gauze/pack biological laboratory teaching middle school teaching instrument experimental equipment teaching aids
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J24019 high quality hand AC/DC generator junior and senior high school physics electromagnetism experiment equipment teaching instrument
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12.5cm/15cm/20cm asbestos net experimental equipment for alcohol lamp
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Micro-current amplifier 15032 physical experiment equipment Electrical Experiment instrument teaching instrument
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128 medical nerve tuning fork ear picking tuning fork (internal examination of God vibration feeling Ent examination)
4.5
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Biological experiment probe stainless steel dissection needle straight tip elbow teaching dissection tool experimental equipment teaching aid teaching
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0 sold.
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Stainless Steel Dissecting Needle Laboratory Anatomy Biological Insect Dissecting Needle Specimen Making Experimental Probe Teaching Tool
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Gasoline engine diesel engine model J31008 four-stroke internal combustion engine fuel engine physical experiment equipment teaching instrument
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Verification of Straight Line Propagation of Light White Light Screen with Holes in Junior High School Physical Optics Experiment Primary School Scientific Inquiry Material
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Animal and Plant Cell Contrast Model Animal Cell Model Plant Cell Model Junior High School Biological Equipment
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Joule's Law Demonstrator 23036 Joule's Law Experimenter Middle School Physics Experiment Equipment Teaching Instrument
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Flat bottom flask 250ml borosilicate high temperature resistant flat bottom round belly flask laboratory consumables
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M30011 magnetic molecular model junior high school physics rhombus small magnetic needle 24 magnetic induction line distribution model phenomenon
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For semi-quantitative detection of nerve tuning fork foot deep sensory diagnostic device Ryder-Seiffer tuning fork
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Car ship cruise ship off-road riding outdoor slope slope meter slope slope ball slope meter slope meter balance meter
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parallel plate capacitor
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Teaching Instrument Digital dynamometer 2n-20n, can be used as English version, factory direct sales
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New 24 mountain compass slope meter measuring metal feng shui plate 2-inch portable outdoor compass guide
3.3
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Factory Direct Biological Model Teaching Instrument 339 Chicken Anatomical Model
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Electronic starting and electrical equipment cutting-edge electrostatic discharge device Junior High School physical instrument teaching instrument electrostatic learning
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Ampere force demonstrator pointer-type magnetic field acting on current experimental equipment energized wire physics teaching instrument
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J81204 handheld sieve sample sieve experimental equipment Primary School scientific instrument teaching instrument
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3428 volcanic model geography experiment teaching science and education instrument volcanic eruption tectonic landform 30419
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Tool 22 pieces stainless steel dissecting scissors needle experimental equipment tool probe scissors tweezers teaching instrument teaching instrument
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