High pressure discharge lamp with reduced bulb thickness
High pressure discharge lamp with tungsten electrode rods...
High pressure gas discharge lamp and method of manufacturing...
High pressure mercury lamp with particular electrode...
High pressure sodium vapor discharge device
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp electrode
High-pressure discharge lamp having a tungsten sheet electrode
High-pressure discharge lamp including a limited amount of...
High-pressure discharge lamp with a cooled electrode
High-pressure discharge lamp with a sintered compact containing
High-pressure discharge lamp with envelope lead-through structur
High-pressure discharge lamp with improved electrodes
High-pressure discharge lamp with stabilized arc
High-pressure gas discharge lamp
High-pressure metal halide discharge lamp and a lighting...
High-pressure metal halide lamp having three part electrode...
High-pressure sodium discharge lamp comprising a discharge arc s