Hamamatsu UV-LED Spot Light Source C11924-521 & L11921-420 | eBay
UV Light Source | Hamamatsu Corporation | New Products | Mar 2010 | Photonics Spectra
New Japan Hamamatsu Led Curing Machine L11921-404 Irradiation Head Lc-l1v3 Point Light Source Machine Equipment Lamp - Computer Cases & Towers - AliExpress