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3pcs Silver Metal Laser Diode Housing 12x40mm for 5.6mm To-18 Laser Diode with 200-1100nm Collimating Lens - - Amazon.com
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Price history & Review on 33x33x80mm Focusable Laser Module Housing Case for C-Mount Laser Diode with Heat Sink and LD Base Good Cooling | AliExpress Seller - Laserlands Store | Alitools.io
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5pcs Laser Diode Housing 12x40mm For 5.6mm TO-18 LD Module w/ 200nm-1100nm Lens 8599793371098 | eBay
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10pcs Focusable 12*30mm 9.0mm TO 5 TO5 Laser Diode LD Metal Housing w Lens 200 1100nm|lens wipe|lens fresnellens screw - AliExpress
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