Supply simple cardiopulmonary resuscitation simulation human first aid training model nursing training model human body model 5.0304 sold.3,128,230 so'm
Qipu generator carbon dioxide production device chemical instrument glass gas generator Qipu generator 5.0241 sold.39,968 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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Manufacturer magnifier convex lens 3/5 times diameter 3/4/5cm focal length 5/15/10/30 junior high school physics 0.063 sold.8,464 so'm
Air cylinder dual-purpose air cylinder handheld manual air pump 02013 physical teaching instrument experimental supplies 0.026 sold.103,446 so'm
Drug rack tray tray balance 100g200g500G 1kg2kg student mechanical balance weight tweezers 5.058 sold.131,658 so'm
J2708 biological dissector four-piece set 4-piece specimen making biological displane biological teaching instrument 5.0170 sold.46,081 so'm
1008 dual-purpose air pump for physical experiment pedal pump pump dual-purpose air pump 5.040 sold.93,101 so'm
Electrostatic induction motor Electrostatic demonstration teaching aids Leiten bottle Vickers motor Electrostatic generator 5.0142 sold.376,165 so'm
Glass Alcohol Meter Alcohol Meter Liquid Permeate Hydrometer Density Meter Floatometer 0.0171 sold.9,405 so'm
Combination hook code 200g/50G hook code physical experiment mechanics lever experimental equipment metal hook code 5.0696 sold.46,081 so'm
Bar magnet 11cm student teaching bar magnet demonstration magnet teaching aids teaching magnet teaching aids 5.0562 sold.35,266 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
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
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
44mm with keychain portable English North promotional gifts aluminum alloy metal pocket compass 5.05,647 sold.7,524 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 4.9805 sold.493,717 so'm
Aluminum Alloy lifting adjustable tripod alcohol lamp tripod teaching instrument chemistry laboratory instrument 5.0400 sold.94,042 so'm
Terminal Cap Crimp Cap Terminal Block Experimental Wire Connection Nut Experimental Equipment Accessories Teaching Instrument 5.036 sold.75,233 so'm
Stainless Steel Biological Anatomical Disc Wax Disc Laboratory Teaching Anatomical Disc Teaching Instrument Biological Specimen Fixed Disc 0.044 sold.37,617 so'm
23008 New electrostatic induction motor teaching instrument physical demonstration experiment generator experimental instrument 5.0111 sold.329,145 so'm
02003 punching plywood chemical teaching aids wooden rubber plug punching student instrument punching plywood 0.057 sold.42,319 so'm
Light Energy Radiometer Sunlight Windmill Runs in Time Interesting Science Gift Office Desktop Decoration Glass Gift 0.0149 sold.305,634 so'm
Scale measuring speed mileage distance outdoor travel adventure camping cross-country travelers bicycle riding map 0.0828 sold.37,617 so'm
Fault structure and barrier Graben development model J34021 Middle School geographical crust movement seismic fault 5.053 sold.352,655 so'm
white light screen white screen imaging screen (optical bench attachment) frosted light screen optical experiment teaching instrument 5.0187 sold.8,464 so'm
Insect specimen 6 Yi 6 harm J43150 biological specimen biological experiment equipment Middle School teaching instrument 5.0338 sold.70,531 so'm
Collision motion tester collision demonstrator momentum conservation law J21068 physical experiment equipment instrument 5.079 sold.84,638 so'm
Teaching with tension spring/compression spring/small spring/primary school science natural experiment equipment instruments can be sold separately 5.030 sold.5,643 so'm
Cylinder dynamometer spring balance physical mechanics teaching Cylindrical Dynamometer 0.00 sold.16,834 so'm
Factory Direct 3323 Xiangbo and Blood Circulation (electric Type) Biological Medical Teaching Model 0.015 sold.1,601,674 so'm