Nichia NDB7875 - 2W Blue Laser Diode - 445nm-450nm 9mm/TO-5 Engraving & Burning | eBay
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4W Industry Laser 445nm/447nm/450nm 4000mW Blue Laser Dot Module Diode NDB7A75 w/ TTL0-20kHz & Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific
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China 445nm Fiber Coupled Blue Laser R6 series blue diode laser 200W suppliers and manufacturers | BWT
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High Power 1W 445nm Blue Laser Module 1000mw w/Heatsink & 6.7V~7.5V: Amazon.com: Industrial & Scientific