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LASER TREE 40W Laser Engraver Module, 5W Output Optical Power CNC Laser Module Kit, Beam Compression Spot Technology, Compatible with Most Laser Engraver Cutting Machine, 23mm Fixed Focus
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40W Laser Engraving Machine, CNC Laser Engraver and Cutter Iklestar 4240, 10W Optical Power for Wood Carving Metal Acrylic Cutting Glass Etching with 420x400mm Working Area
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40w Laser Module Ld+fac 5.5w 450nm Continuous Laser Fast High Precision Cut Engraver With Focus Block Printer Cutter - Wood Router - AliExpress