Device for cooling the pinch seal of an electric lamp, and an el
Device for degerminating water passing through a sanitary...
Device on a metallic gas-discharge vessel for current lead-in th
Dimmable metal halide lamp without color temperature change
Discharge bulb and method of manufacturing the same
Discharge lamp
Discharge lamp and manufacturing method thereof
Discharge lamp and outer bulb therefor
Discharge lamp apparatus
Discharge lamp assembly
Discharge lamp device
Discharge lamp unit
Discharge lamp unit having improved discharge tube mount
Discharge lamp with discharge vessel rupture shield
Discharge lamp with enhanced performance and improved containmen
Discharge lamp with mount providing self centering and thermal e
Discharge lamp with neon gas in outer tube
Discharge lamp with offset or tilted arc tube
Discharge lamp with offset or tilted arc tube
Discharge lamp with outer tube comprising silicon dioxide...