(b)In the case of a lamp designed for only two |
a1c0 | |
(b)In the case of a lamp designed for only two filament light sources, the intensity in the axis of reference is less than 50 per cent of the minimum intensity, or | a0c0 |
(b)In the case of a lamp designed for only two |
a1c0 | |
(b)In the case of a lamp designed for only two filament light sources, the intensity in the axis of reference is less than 50 per cent of the minimum intensity, or | a0c0 |