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Factory Direct stethoscope single-sided single-head stethoscope multi-color optional Stethscope 5.016,656 sold.23,511 so'm
0407 DC ammeter 0408 DC voltmeter sensitive ammeter high precision physics teaching experiment equipment 4.7714 sold.51,723 so'm
Galvanized Chemical Experimental Instrument Consumables Spring Water Stop Clamp Suitable for Multi-specification Rubber Latex Pipe Spiral Clamp 4.522,872 sold.3,057 so'm
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E10 Student Electrical Experiment with Wire Screw Lamp Holder Lamp Bead Lamp Holder Base Instrument Wire DIY Lamp Holder 5.011,412 sold.3,762 so'm
Stainless steel medicine spoon double-headed medicine spoon spoon 3*1 laboratory three-branch Group large, medium and small sampling spoon trace medicine spoon 5.04,430 sold.2,305 so'm
No. 5 Battery Box No. 5 Electrical Experiment series parallel battery box Junior High School physical electrical experiment equipment 0.03,363 sold.2,822 so'm
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Aluminum Alloy gift 128Hz tuning fork 256Hz tuning fork 512Hz tuning fork 1024 2048 hearing check tuning fork 5.016,134 sold.75,233 so'm
1/2.5/5/10/20/25N bar cylinder spring dynamometer student spring scale teacher demonstration dynamometer 5.08,257 sold.8,934 so'm
Factory supply aluminum alloy 4096Hz Crystal energy tuning fork co-vibration square tuning fork with full wooden tuning hammer and crystal 5.010,990 sold.98,744 so'm
29040 Insect Observation Box Breeding Box Teaching Instrument Buckle Cover Type with Air Hole Magnifying Glass Kidsren's Science Experiment 5.08,701 sold.6,113 so'm