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700mm 40W CO2 Laser Tube for K30 Mini CO2 Laser Engraver, 850mm CO2 Laser Lamp – OEM Laser Parts Su

 40W 700/800/850mm sealed glass type CO2 laser tube Feature 1.This sealed glass CO2 tube dopts stable cavity structure to ensure the beam mode is up to TEM00. 2. This 700mm CO2 tube’s output po...