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Risoulaser
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Newsroom
red laser Unlike visible lasers,
Unlike visible lasers, infrared lasers with wavelengths from 785 nm to 1555 mm are widely used in high-tech fields such as surveillance industry, military targets, and domestic and international intelligence agencies.
October 21, 2020
Prejudice against laser pointers
Not all laser pointers have bad effects, they are also good and have a wide range of effects. Can help many people.
October 14, 2020
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