118 000 A4 covered DNA coagulation recovery purification column/DNA adsorption column/nucleic acid purification column/centrifugal column 4.6200 sold.7,524 so'm
Cylinder group with hook copper block iron block aluminum block physical density volume ratio mechanics teaching experimental instrument 0.0602 sold.21,160 so'm
Iodine sublimation condensation tube iodine hammer iodine sublimation and condensation demonstration J02125 physics experiment teaching instrument 4.7574 sold.16,458 so'm
24 kinds of mineral rock fossil specimen 401 pocket rock mineral specimen copper mine geography geology teaching aid 4.5445 sold.39,968 so'm
Wooden test tube rack 6 holes 8 holes 10 holes 12 holes Chemical laboratory instrument test tube rack diameter 22, 25, 35mm 5.01,158 sold.15,047 so'm
Red water thermometer mercury thermometer 0-100/0-200/0-360 degrees Celsius experimental measuring thermometer 5.0468 sold.6,113 so'm
Fixed Value Resistor 5/10/15 Ohm Junior High School Physics and Electricity Experimental Equipment Unknown Resistor Volt Ampha Resistor 5.0158 sold.21,160 so'm
Pointed Tweezers Flat Tweezers Round Head Chemical Experiment Tweezers Aquarium Clip Micro Viewing Tweezers Fleshy Tweezers 5.03,814 sold.6,583 so'm
electroscope connecting rod J23042 physics experiment equipment physics experiment instrument teaching instrument 0.0120 sold.18,809 so'm
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Coater coating rod coating knife glass triangle scraper biological experiment equipment teaching instrument 5.02,073 sold.7,054 so'm
Periscope model simple periscope making detachable physical and optical experimental equipment 4.91,641 sold.35,172 so'm
pendulum group 5 balls 22023 pendulum ball group physical mechanics teaching experimental equipment physical mechanics 5.0135 sold.2,352 so'm
Factory wholesale 29004 floating block kindergarten primary school science experiment equipment 5.02,225 sold.21,160 so'm
With luminous professional multi-function map scale compass transparent acrylic map ruler outdoor directional off-road 5.0508 sold.25,862 so'm
Aluminum Alloy 4096C Crystal energy tuning fork Angel tuning fork resonance square tuning fork with cloth bag tuning hammer original stone 4.8967 sold.98,744 so'm
Water stop clip spring water stop clip water stop hose clip chemical laboratory equipment supplies metal water stop clip 4.7200 sold.1,411 so'm
INTLLAB Magnetic Stirrer Laboratory Magnetic Stirrer Magnetic Mixer Small Magnetic Stirrer 5.0899 sold.634,779 so'm
Wholesale Biological Dissecting Needle Insect Anatomy Stainless Steel Dissecting Needle Biological Experiment Apparatus Specimen Making Real Probe 5.014,163 sold.3,386 so'm
Mineral extract specimen J49009 Primary School experimental equipment popular science instrument teaching instrument 5.0213 sold.42,319 so'm
23022 teaching resistance box 0-9999 euro 0.1Ω five-gear initial progress resistance changing box electrical physical equipment adjustable 5.0235 sold.140,122 so'm
Insect specimen 6 Yi 6 harm J43150 biological specimen biological experiment equipment Middle School teaching instrument 5.0409 sold.70,531 so'm
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Special Anorectal Probe with Groove Probe Anorectal Surgery Probe Drainage Device Medical Teaching Equipment 0.0330 sold.23,511 so'm
Earth structure model Earth internal structure Model Primary School Science geography popular science teaching instrument wholesale 4.9115 sold.211,593 so'm
Professional sales of solar energy application materials primary school science experiment instrument physics teaching equipment 5.080 sold.62,773 so'm
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Chuda American Compass Multifunctional Compass/Compass Metal Case Compass Outdoor Lifesaving Equipment 5.04,473 sold.31,504 so'm
Handheld convex concave lens zoom-in mirror optical fixture seat accessories physical light student experimental equipment focal length 10cm 5.01,115 sold.9,875 so'm
Eyeball model eyeball Anatomy Model 6 times magnification biological eye teaching eye bead model 23*15*15 5.0183 sold.102,505 so'm
75mm stainless steel all-metal gift compass portable compass outdoor travel pointer in stock wholesale 4.92,557 sold.11,756 so'm
New multi-functional American outdoor pointer scale level verticality plate slope meter luminous compass 0.0957 sold.150,466 so'm
Pressure pressure demonstrator J21021 metal/plastic small table sponge block physical mechanics tool experiment 5.0236 sold.11,756 so'm
A4 dissecting plate/wax plate/stainless steel dissecting plate biological anatomy experimental equipment teaching instrument 5.01,461 sold.61,127 so'm
Primary Battery tester battery simulation device chemical experiment equipment teaching instrument copper iron zinc electrode 5.0563 sold.31,504 so'm
Hand-cranked DC generator hand-cranked generator motor model junior high school physics electromagnetism Faraday experiment 5.0838 sold.136,360 so'm
Metal hook code combination hook code experiment Junior High School physical mechanics 10G 20g 50g 100g 200g combination 4.0863 sold.31,975 so'm
Sound and heat experiment box J22212 object vibration sound sound size high and low object sound transmission heat conduction and other experiments 0.082 sold.77,584 so'm