2.9.1.4. | "Filament light source" (filament lamp) means a light source where the element for visible radiation is one or more heated filaments producing thermal radiation. | a0c0 |
2.9.1.4. | "Filament light source" (filament lamp) means a light source where the element for visible radiation is one or more heated filaments producing thermal radiation. | a0c0 |