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High Pressure Sodium Lamps
Double-ended Type: (70/100/150/250W) Double ended sodium lamps are wi...
High Pressure Sodium Lamp in Double Bumers
High pressure sodium lamp in double burners -two burners inside the l...
High in luminous efficiency, less in power consumption, long in using ...
SON-T Argo The lighting efficiency of SON-T Argo is more than 130lm/W...