Anatomical Model
Microscope
Electric Meter
Mechanics & Calorifics
Electric & Electromagnetic
Lab Tools
telescope
optics
Kindergarten Learning Material
Electronic Brain Box
Transparent Plastic Spring Scale
Specifications:
2.5N/250G
5N/500G
10N/1000G
20N/2000G
30N/3000G
50N/5000G
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