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HeatSign Fiber Laser Marking Machine 20w For Permanent Metal Parts Marking and Engraving – Oz Robotics
Amazon.com: Monport 30W Fiber Laser Engraver,Compatible Lightburn Laser with 5.9" x 5.9" Work Area and 30W Laser Source, Fiber Laser Marking Etching Machine for Metal, Silver, Stainless Steel, Gold and More :