QLAB Electronic Analytical Balance 1‰ 0.001g 1mg Scale Laboratory High Precision Electronic Scale 500g 0.020 sold.1,545,851 so'm
Lock weight 20kg weighbridge weight 25kg cast iron weight 20kg hand weight 25kg 5.0529 sold.70,531 so'm
LaTeX head red leather head dropper dropper rubber head thickened latex head latex cap 100 pcs/bag 5.01,175 sold.753 so'm
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100 pieces of lens wiping paper/10 * 15CM lens paper Oak wiping paper camera glasses wiping paper 5.0472 sold.9,405 so'm
Sliding rheostat 5Ω 10Ω 20Ω 50Ω 100Ω 200Ω physical and electrical experimental instrument 0.0143 sold.65,829 so'm
Object sinking experiment box J216 primary school science experiment equipment explore the buoyancy teaching instrument of water 5.0726 sold.70,531 so'm
Alcohol meter manufacturer American liquor alcohol precision 0-200 alcohol measuring instrument alcohol measuring device alcohol meter 100 5.0504 sold.23,511 so'm
Continuous digital micro adjustable pipette single channel multi channel pipette gun head sampler large capacity tip discount 5.087 sold.282,124 so'm
Absorbent Paper Chemical Microscope Cleaning and Dust Removal Boxed Absorbent Paper Laboratory Consumables Equipment Chemical Experiment 0.060 sold.7,054 so'm
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Spiral spring group 0.5N1N2N3N5N tension spring compression spring spiral Hooke's law Spring Group junior high school physical mechanics 0.052 sold.2,352 so'm
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Temperature attached milk hydrometer 15-40 liquid measurement density meter milk goat milk density hydrometer 0.070 sold.197,487 so'm
Origin supply electro-hydraulic hydrometer rubber suction electro-hydraulic density meter battery hydrometer 5.0760 sold.15,047 so'm
Junior High School Physics and Electricity Experiment Equipment Circuit Connection Experimental Equipment Student High School Entrance Examination Experimental Supplies Electrical Experiment 5.060 sold.305,634 so'm
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Plastic Storage Box Laboratory Storage Box Suitcase Instrument Storage Box Teaching Aware Storage Basket 0.027 sold.47,021 so'm
Wind speed anemometer portable three-cup direct reading Cup-type anemometer handheld speed meter measuring instantaneous average wind speed 5.0134 sold.625,374 so'm
Multi-specification suit micro pressure gauge liquid pressure gauge logistics teaching experimental instrument for junior and senior high schools 5.040 sold.17,868 so'm
Pipette gun rack plastic pipette rack multi-purpose pipette rack suitable for Eppendorf/Thermo/Dragon 5.0110 sold.169,275 so'm
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DC ammeter middle school physical Electrical Experiment teaching instrument instrument pointer electric meter ammeter wholesale 5.0959 sold.44,200 so'm
J24018 small motor model detachable electrical assembly physics experiment equipment teaching instrument 5.01,006 sold.65,829 so'm
Metal hook code 50g * 10 hook code combination mechanics experiment hook code lever principle mechanics teaching instrument 4.9815 sold.37,617 so'm
DC current voltmeter ac ammeter microampere projection meter meter sensitive galvanometer physical equipment 5.0199 sold.69,591 so'm
Manufacturer Sales Ba Mebi Heavy Meter 0-70Be Baomei Hydrometer Density Meter 1.0-2.0 for Chemical Planting Industry 5.0666 sold.7,054 so'm
Ball A tuning 440Hz tuning fork \musical instrument tuning fork \music tuning fork 5.0528 sold.37,617 so'm
Animal and Plant Cell Contrast Model Animal Cell Model Plant Cell Model Junior High School Biological Equipment 5.0146 sold.846,371 so'm
Three-in-one laser dragon-seeking compass 24 mountains feng shui compass precise automatic positioning portable mountain-walking compass 4.9809 sold.493,717 so'm
Object thermal expansion and cold contraction experimental material large copper ball plastic iron hoop primary school science experimental equipment solid body expansion 5.079 sold.29,623 so'm
Resistance Ring Fixed-value Winding Resistor 5101520 a Set of Junior High School Physics Teaching Instruments Electrical Experimental Equipment 5.01,370 sold.8,464 so'm
Balance teaching aids for teaching primary school gram kilogram learning tools for grade 2, grade 3, grade 5, number of experimental equipment for students 5.0167 sold.31,880 so'm
wooden lever aluminum alloy lever sliding lever physics lever balance principle mechanics experimental conditions 0.0652 sold.21,160 so'm
Anatomical Wax Disc Biological Specimen Disc Laboratory Biology Teaching Anatomical Disc Wax Disc Biological Anatomical Stainless Steel Wax Disc 0.0174 sold.31,034 so'm
Pallet balance 1-2-5-1000g mechanical balance student experimental rack scale factory outlet 5.0163 sold.94,042 so'm