OPTSAVER
[ Apparatus for use in testing and measuring the performance and efficiency of diffusion film and OLED (Organic light emitting diode) and light emitting diode (LED) display panels; apparatus for measuring the light levels; cinematographic machines and apparatus; light emitting diode (LED) displays; computer operating programs, recorded; protective films adapted for computer screens ]
Registered · July 29, 2016 · 79198315 ·