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500mw High Power Laser 980nm 0.5W Infrared IR Laser Line Module with Adapter 12v: Amazon.com: Industrial & Scientific
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405nm Blue/Violet Dot Laser Module 500mw Diode Laser DC 12V/ Fan Cooling & TTL 1-20K Hz & Long Time Working: Amazon.com: Industrial & Scientific
450-500mW Violet Laser Module With Holder For Mini Engraving Machine
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405nm Blue/Violet Dot Laser Module 500mw Diode Laser DC 12V/ Fan Cooling & TTL 1-20K Hz & Long Time Working: Amazon.com: Industrial & Scientific
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