China LED Chip 3W UVA 340nm High Power LED Emitter Diode Deep UV 345nm SMD6363 60-70MW - China LED Chip 3W, LED Chip 340nm
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UV Light Meter LS126A UV Irradiance Meter for UVA LED Light Source Spectral response 340nm 420nm with Ultra small Probe Sensor|UV Radiometers| - AliExpress
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340 NM UV Led | PDF | Electrostatic Discharge | Light Emitting Diode
Korea Seoul SVC LED Chip 340nm to-39 Metal Tube UV LED Medical/Biochemical Testing - China 340nm to-39 LED Chip, 340nm to-39 LED Diode | Made-in-China.com