205721 ⎘
Gas-discharge or vapour-discharge lamps; Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr High-pressure sodium lamps
High-pressure sodium lamp lighting device
#2High PAR maintenance rate type high pressure sodium lamp with auxiliary starting switch
#3Mercury-free metal halide lamp for vehicle and metal halide lamp device
#4POLYCRYSTALLINE TRANSLUSCENT ALUMINA FOR HIGH INTENSITY DISCHARGE LAMPS
#5High pressure sodium lamp
#6LAMP WITH A ROTATABLE LIGHT BULB AND A LIGHT SOURCE
#7High pressure sodium lamp with a shielding member between two arc tubes
#8Discharge lamp exhibiting reduced thermal stress and method of making such a lamp
#9COILED COIL ELECTRODE DESIGN FOR HIGH PRESSURE SODIUM LAMPS
#10ILLUMINATION SOURCE THAT EMITS REDUCED SHORT WAVELENGTHS OF LIGHT TO PROTECT EYES
#11High-Pressure Sodium Lamp
#12Light-emitting material, light-emitting body, and light-emitting method