The reflector is of C shaped cross section and is dimensioned for releasable snap fitting to the cold cathode tube along {HEAD ~ the tube length} with the interior channel surface facing the peripheral surface of the tube such that {TAIL ~ only a portion} of the peripheral surface of the tube along its length is exposed to the ambient atmosphere 
The reflector is of C shaped cross section and is dimensioned for releasable snap fitting to the cold cathode tube along { HEAD ~ the tube length } with the interior channel surface facing the peripheral surface of the tube such that { TAIL ~ only a portion } of the peripheral surface of the tube along its length is exposed to the ambient atmosphere
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