Hook code 50g * 10 galvanized teaching instrument Yuyao Mengchao factory direct sales than three 4.61,280 sold.35,266 so'm
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Exercise and force equipment Newton's first law exploration experiment device physics teaching experiment instrument for junior and senior high schools 5.0208 sold.84,638 so'm
Cast iron square seat bracket experiment stand drip table 03002 scientific experiment equipment cast iron base 0.026 sold.178,679 so'm
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Qipu generator carbon dioxide production device chemical instrument glass gas generator Qipu generator 5.0242 sold.39,968 so'm
Ma Debao Hemisphere (Cast Iron) Ma Debao Hemisphere Iron Ball Experimenter J2115 Science and Technology Experimental Teaching Instrument 0.027 sold.150,466 so'm
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Atmospheric pressure series tester 21020-type atmospheric pressure and density relationship experimental instrument junior and senior high school instrument 0.032 sold.103,446 so'm
Cylinder dynamometer 5N Newton dynamometer tension meter spring scale experiment 14005 teaching instrument 5.01,287 sold.21,160 so'm
Calorimeter J22201 Specific Heat Electric Heat Equivalent Thermal Physics Experiment Measurement Thermal Equipment 0.0667 sold.84,638 so'm
Micro Distillation Experimental Set 100ml Small Flask for Essential Oil Distilled Water Purification Straight Condenser Tube 5.0172 sold.235,103 so'm
Optical bench optical experiment convex lens imaging experimental equipment optical lens optical experiment box F light source imaging 0.0186 sold.188,083 so'm
Wooden ruler 1 m double-sided scale ruler ruler 1 m wooden ruler 100cm wooden ruler teaching aids ruler 4.8156 sold.11,756 so'm
Teaching Instrument Geography Model Lunar Globe Instrument Large Astronomical Teaching Demonstration Instrument 0.020 sold.67,710 so'm
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Scalpel (dissecting knife handle + blade) dissecting tool apparatus biological experiment equipment teaching instrument 5.01,126 sold.11,756 so'm
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Submarine Floating and Sinking Demonstrator Submarine Model Submarine Principle Children's Science Physics Teaching Experiment 5.033 sold.31,975 so'm
25103 handheld direct-view beam splitter dispersion prism lens physics teaching instrument experimental equipment 5.01,321 sold.117,552 so'm
Bar Magnet/hoof Magnet/U-shaped magnet/ring magnet/circular magnet/magnet physics teaching 5.025 sold.8,464 so'm
J29010 Primary School junior high school science physics experiment teaching instrument for scientific mechanics car Bevel 0.01,684 sold.10,345 so'm
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Electric Feather inspection research electrostatic experiment electrical experiment equipment 2317-type junior and senior high school teaching experiment instrument 0.044 sold.44,670 so'm
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Steel quality tuning fork 8 PCs music tuning fork set teaching tuning fork set factory direct sales 256-512Hz customizable 0.01,364 sold.423,186 so'm
Foreign trade stethoscope aluminum double-listening double-sided stethoscope single tube stethoscope 5.0628 sold.29,623 so'm
High-end gold plated brass advertising gift outdoor compass compass metal crafts tourism souvenir J57 4.9333 sold.35,266 so'm
Friction block wood block 6-hole 6-hole 2-hole strip wood block with hook physics experiment equipment for junior and senior high school mechanics high school entrance examination 5.0437 sold.9,405 so'm
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Soil profile specimen community popular science exhibition natural soil profile science textbook geographical specimen observation 5.0131 sold.117,552 so'm
Fluid velocity and pressure relationship demonstrator 21022-type physics teaching experimental instrument for junior and senior high schools 0.028 sold.423,186 so'm
Peach blossom model new curriculum standard diameter 330mm typical dicotyledonous flower model flower structure anatomy teaching model 5.047 sold.235,103 so'm
Square Coil Rectangular Coil Electromagnetic Experiment Junior High School Physics Experiment Equipment Middle School Teaching Instrument 0.0859 sold.21,160 so'm
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Factory wholesale manual puncher 6*1 group 3*1 group puncher large quantity and excellent price 0.0960 sold.23,511 so'm